Anopheles Stephensi Tissue-restricted Expression

Anopheles Stephensi Tissue-restricted Expression Tissue-restricted expression and alternative splicing revealed by transcriptome profiling of Anopheles stephensi Sreelakshmi K. Sreenivasamurthy1,2, Anil Madugundu1,3, Arun Kumar Patil1,4,5, Gourav Dey1,2, Ajeet Kumar Mohanty6, Manish Kumar1,2, Krishna Patel1, Charles Wang7, Ashwani Kumar6, Akhilesh Pandey1,8,9,10,11, T. S. Keshava Prasad1,2,4,* Abstract The sequencing of Anopheles stephensi, a major malaria vector in Asia has led to increased research activity to understand the vectorial ability of this mosquito species. However, tissue-based gene expression profiles of the annotated genes remain to be understood. In this study, we summarize the transcriptomic profile of four important organs of a female imago Midgut, Malpighian tubules, Fat body and Ovary. We identified over 21,000 transcripts in total, from all the four tissues corresponding to about 12,000 gene loci. This study provides an account of the tissue-based expression profiles of majority of annotated transcripts in An. stephensi genome and alternative splicing in these tissues. Understanding of the transcript expression and gene function at the tissue level would immensely help in enhancing our knowledge of this important vector and decipher the putative role of these mosquito tissues, providing the basis of selection of candidates for future studies on vectorial abil ity. Keywords: Mosquito, RNA-seq, differential expression, lncRNAs Introduction Malaria remains as one of the most debilitating mosquito-borne diseases till date. According to WHO World Malaria Report in 2016, there were ~212 million malaria cases in the year 2015, resulting in an estimated death of about 429,000 individuals globally. Most of these cases (90%) is in the African region with about 7% incidence in South East Asia. About 50% of the Asian malaria incidence and deaths has been in India1. The number of deaths attributed to malaria in India has been reported to be higher than the WHO estimates2. However, the latest updates on the cases and deaths reported in India has been limited to the National Vector Borne Disease Control Programme (NVBDCP), according to which there has been about a million cases of malaria reported in the year 2014 [http://www.nvbdcp.gov.in/malaria3.html]. Out of the 41 different Anopheline species reported as significant vectors for transmission of human malaria, An. stephensi is an important vector in India and South Asia3,4. Bein g the major urban vector, it is second most prevalent in India. It has been reported all over the country except the north-eastern states of Sikkim, Arunachal Pradesh, Mizoram, Nagaland, Manipur and Tripura5. Sequencing of the Anopheles mosquito genomes have resulted in a spurt of activity in the study of Anopheles mosquitoes. PubMed search with the keyword Anopheles resulted in 14,576 publications, majority of which have been after the year 2000 as shown in the Figure 1A. Majority of the studies post-genome sequencing has been focussed towards understanding the role of various genes and development of numerous methods to regulate their expression.   The overall aim of the community is to embark on a feasible means to control the spread of infectious organisms either by controlling the vector/mosquito population or by curbing or reducing their vectorial ability. In this regards, numerous studies have already been performed on the recently sequenced malarial vectors6-9. However, most of the studies are focussed on previously studied molecules with very few studies focussing on new target molecules. This could probably be due to the lack of reliable data owing to incomplete genome as semblies and annotations in the identification of such targets. We have tried to bridge this gap with a huge effort of supplementing the current efforts using an integrated approach of utilizing proteomic and transcriptomic data in the genome annotation and assembly in an array of organisms through our previous studies10-12. Although transcriptomic data played a major role in refining the annotations and assembly of the genomes in the previous study, the tissue-based expression profiles were not focussed on. The tissue-based expression profiles of the identified transcripts are the focus of this study. Tissue-based expression profiling in An. stephensi has been limited to salivary glands13, ovaries14,15, testes16 and hemocytes17 with most the studies being done on whole mosquitoes14,18,19. However, even with the availability of transcriptome data from ovaries, there are several issues. The study was mainly focused on identification of transcripts expressed in developmental stages and is of low throughput14. The other tissue-based expression studies published including one cDNA-based study of the salivary glands and another being cDNA sequencing of the transcripts from hemocytes, both tissues that were not included in our study. The focus of our study is on the Midgut, ovary, Malpighian tubule and fat body of a female An. stephensi imago. These tissues, along with the salivary glands play a very important role in the blood meal digestion and thus important for the life cycle of the mosquito vector and plasmodium species. However, we restrict ourselves to understand the molecular dif ference between these mosquito tissues in the uninfected sugar-fed state of the mosquito which we believe will provide the much-needed basic understanding of the role played by these tissues. To this extent, we performed comparative and deep transcriptomic analysis of these four tissues. Materials and Methods RNA isolation and sequencing Adult female An. stephensi mosquitoes grown at the NIMR field station, Goa, were dissected to obtain midgut, Malpighian tubules, ovaries and fat body. These dissected tissues were stored in RNAlater to preserve the RNA quality till RNA extraction. The RNA isolation and sequencing was performed as described earlier10,11. Briefly, the RNA isolated using Qiagen miRNeasy kit was used for the preparation of indexed RNA-seq libraries using TruSeq RNA Sample Preparation Kit v3. The indexed and pooled libraries were sequenced on two lanes (as technical replicates) of Illumina HiScan SQ platform. Read alignment and transcript assembly The raw reads were processed for quality filtration to remove ambiguous bases present due to the sequencing errors at the 3 end of the reads. Base quality filter of >20 was considered as good. FastQC (Version 0.10.1) tool was used to determine the quality of the raw data and poor quality calls with Phred score An. stephensi genome build (ASTEI2) downloaded from VectorBase (https://www.vectorbase.org/) using HISAT (Version 2.1.0)20 aligner with the default parameters. HiSAT2 was supplied with known annotations and Gene Transfer File (GTF), AsteI2.2 from VectorBase. The alignment of reads from each lane for each tissue was carried out individually against the reference genome resulting in eight different Binary Alignment Map (BAM) files. The .bam files for each tissue were then merged to obtain merged .bam files, one for each tissue. The aligned reads were assembled against the AsteI2.2 gene annotations, as reference, using the StringTie (version 1.2.1) assembler21. Assembled transcrip ts were further quantified and annotated into known and novel categories using the gffcompare in StringTie package as described earlier22. To determine novel transcripts as a transcript GTF file and all the StringTie assemblies were merged using StringTie-merge option. Novel isoforms and intergenic transcripts were obtained by comparing the merged StringTie assemblies of all the four tissues to the annotated transcripts from VectorBase using gffcompare. Coding potential of the identified transcripts was predicted by the use of the Coding Potential Assessment Tool (CPAT)23. Transcripts which were >200 bp in length with a CPAT score threshold of Identification of differentially expressed genes across four tissues Merged GTF file from StringTie was annotated in to different classes of transcripts using gffcompare with respect to the VectorBase annotations. Expression levels of transcripts as determined by the StringTie assembler were compared across tissues. The expression information from individual lanes were used as technical replicates for each tissue. Differential expression was computed using Cuffdiff after normalizing the data across samples by calculating Fragments per Kilobase of exon per Million Fragments Mapped (FPKM)24. The R-package version 2.16.0 of cummeRbund was used for visualization, analysis of RNA-seq data and cluster generation25. An overview of the analysis pipeline is provided in Figure 1B. To identify tissue specific transcripts, we initially filtered transcripts with FPKM value à ¢Ã¢â‚¬ °Ã‚ ¥ 1.0 in at least one among the four tissue types. We then applied the right-tailed t-test to identify the transcripts which are relatively high in abundance in one tissue as again st other tissues. Results and Discussion Transcriptome sequencing of four An. stephensi tissues Midgut, Malpighian tubules, Fat body and Ovary was performed to create a tissue-based expression profile. In total, about 500 million paired-end reads of 100bp were generated from all the four tissues, with about 55 million read pairs per tissue sample from two lanes. The expression levels of transcripts between the replicates and among the tissues were comparable. Figure 2A represents the inter-tissue and intra tissue transcript expression variations in the form of a distance-based heatmap. The variations are minimal between the replicates as expected and increases between the tissues with Ovary and Malpighian tubules being the most different. By following the standard alignment and assembly pipeline using the HiSAT2 and StringTie assembler, we identified a total of about 25,000 transcripts. However, after the initial filtering for the FPKM values (à ¢Ã¢â‚¬ °Ã‚ ¥ 0.1) only 21,500 transcripts were retained. The expression of th ese transcripts was comparable across tissues with the median FPKM value ranging about 2 to 3 in all the tissues as represented by the box plot in Figure 2B. Figure 2C and 2D provides the general distribution of the length and the FPKM values of the transcript assemblies across the four tissues. About 60% of the transcript assemblies were found to have FPKM value of 1 and above, while the average length of majority of the transcripts tend to be in the range of 1000 to 3000 bp. This shows an expected trend of a reliable depth and absence of any skewing. The Transcript assemblies were classified into different classes using gffcompare. However, in order to avoid over interpretation of the data we have only focused our findings on the known =, alternate j and intergenic unknown u class of the transcript assemblies for our analysis. In our analysis, we noticed that almost equivalent number of transcript assemblies were classified under the known (=) and the alternate (j) categories. In fact, the transcript assemblies in the j category exceeded the number of known transcript assemblies. A deeper look in to this matter showed us that due to the poorly annotated gene models (which is mostly based on the prediction program) for this strain, the untranslated regions (UTRs) of the predicted transcript models in the current annotation is missed. As a result, the transcript assemblies with the extension of the exonic regions supported by the reads, probably into the UTRs were classified as alternate transcripts. We are working closely with the VectorBase to improve the annotations of these predicted gene and transcript models for the An. stephensi Indian strain. Tissue restricted transcripts Majority of the transcripts identified (about 87%) were expressed largely at similar levels in all the four tissues, the remaining 15% of the transcripts identified seemed to have more of a tissue restricted expression. Figure 3 details the distribution of the transcript expression (expressed with FPKM values à ¢Ã¢â‚¬ °Ã‚ ¥ 0.1) among the previously annotated transcripts (Figure 3A), alternative isoforms (Figure 3B) and novel previously unannotated intergenic transcripts (Figure 3C). The majority of the transcripts in each of these groups are expressed in all the four tissues with only about 3 4% of the transcripts showing tissue restricted expression. Among the known/annotated transcripts identified, 241 were found to be exclusive to Midgut, 221 exclusive to Malpighian tubules, 479 transcripts in Ovary and 436 in Fat body. The distribution of tissue specific transcripts was similar in the alternative isoforms and novel intergenic transcripts of these four tissues with 61, 67, 146 and 77 isoforms exclusively identified in Midgut, Malpighian tubules, Ovary and Fat body. In general, there was a clear bias in the number of transcripts and transcript isoforms that were common between midgut and Malpighian tubules and similarly between fat body and ovary than amongst the others. The diversity of the transcripts identified was found to be maximal in Ovary with most the transcripts being identified in this tissue, followed by fat body. Midgut had the minimal number of transcripts identified, however, the expression levels of these transcripts, in terms of FPKM, were higher than that of other tissues. Novel splice variants and their expression Apart from the known/annotated transcripts, we identified a plethora of spliced (exon-exon) reads that were not previously annotated. Assembly of such reads along with the intra exonic reads led to the identification of >8500 transcripts that were spliced differently. These alternatively spliced isoforms represent the complexity of the transcript forms and their expression in the four tissues. A summary of the differential expression of these alternate isoforms is provided in Figure 3B. As in the case of annotated transcripts, most of the alternatively spliced forms were also expressed in all the four tissues. Only about 1-2% of the total alternate transcripts isoforms were found to have tissue restricted expression. Transcript isoforms were enriched maximally in Ovaries compared to any other tissue. With 146 isoforms restricted to ovaries, it showed the highest variation in the spliced forms among the four tissues although the FPKM values for these were comparatively lower than that of other tissues. Fat body had the least representation of the alternate isoforms. The splice variants identified included examples of intron retention, alternative 3 or 5 donor and acceptor sites, exon skipping and others. Different spliced forms were expressed in different tissues. An example of transcript expressed in different tissues is provided in Figure 4. The annotated gene ASTEI04270 belongs to the Gelsolin/Vilin/fragmin superfamily, coding for a single transcript isoform according to the VectorBase annotation. However, we identified six different isoforms for the gene. The original protein coded by the annotated transcript with a signal peptide and nine gelsolin-like domains that was highly expressed in Fat body followed by Malpighian tubules. The alternative isoforms included a shorter transcript encoded by the first 3 exons (ANSTF.3986.4), which retained only three of the nine gelsolin-like domains along with the signal peptide sequence that was highly expressed in fat body and least expression in ovaries. The other 4 isoforms encoding the exons from fo urth exon consists of 4 gelsolin-like domains. Isoforms ANSTF.3986.1 and ANSTF.3986.2 were highly expressed in midgut followed by Malpighian tubules but not identified in fat body and ovaries. Whereas, isoforms ANSTF.3986.5 and ANSTF.3986.6 were significantly expressed only in midgut. Proteins encoded by this superfamily typically consists of three to six gelsolin-like domains (GEL), with each domain playing a critical role in actin filament remodeling26,27. Novel intergenic transcripts In addition to annotated and alternate spliced forms of the transcripts in the known/annotated gene loci, we found additional loci in the genome of An. stephensi Indian strain. The reads mapping to these unannotated regions were processed to assemble putative transcripts that were categorized as novel/unannotated transcripts. We identified about 2700 transcripts with FPKM values above 0.1 in the intergenic regions of the genome that were previously considered to be non-transcribed. The expression of most of these intergenic transcripts were found to be similar in all the four tissues. However, Expression-based clustering and functional correlation Since An. stephensi genome was recently sequenced and is relatively less worked upon, there is limited information on the function of these genes and transcripts. However, Gene Ontology analysis based on their translated protein and the domain structures (Interpro domains) showed that most of the differentially expressed transcripts were found to have expected domains as per the perceived function of these respective tissues. The identified transcripts were segregated into clusters based on their expression levels in the four mosquito tissues. Among the various clusters generated using the cummerbund package, few of the clusters showed clear trends of expression. One of the clusters with about 950 transcripts showed similar expression in all the four tissues. Gene level ontology mapping of these transcripts showed that majority of the transcripts possessed generic domains such as protein, nucleotide and ion binding domains, transmembrane transport, proteolysis, oxidoreductase activity and signal transduction (Figure 5A). Transcripts found to be enriched in the Midgut (170) compared to other tissues were found to have proteolytic, protein binding, hydrolase and peptidase activity. Some of the midgut enriched transcripts were found to be involved in chitin and carbohydrate metabolism (Figure 5B). Transcripts enriched in Malpighian tubules (116) were found to be associated largely with transmembrane transpor tation, oxidation-reduction process, protein and ion binding events. Few of the transcripts were associated with transferase, ligase and lyase activities among other catalytic activities (Figure 5C). Ovary enriched transcripts (241) were associated more with the protein binding, nucleic acid and ATP binding, in addition to those having signaling domains and transport domains associated with intracellular signal transduction processes such as GPCR activity, protein phosphorylation and dimerization. As expected, these transcripts seem to be involved highly in cell cycle processes including DNA replication, microtubule organization, DNA repair and growth factor activities, which are crucial mechanisms for vitellogenesis (Figure 5D). Fat body enriched transcripts (170) were consistent with the role of fat body akin to the vertebrate liver. The transcripts enriched in fat body are associated majorly with transmembrane transportation, oxidation-reduction process, chitin binding and metabo lism, heme-binding and transport, in addition to oxidoreductase activities (Figure 5E). Identification and expression of long non-coding RNAs We compared the list of transcripts identified in our study to the list of transcripts that are annotated as non-coding RNAs in VectorBase. However, we failed to identify any of the annotated non-coding RNAs in our study since the annotated ones are largely rRNAs and other small ncRNAs. Due to the ribosomal RNA depletion employed in our study, we expected no rRNAs to be identified. However, in order to investigate the presence and expression of the long non-coding RNAs in An. stephensi, we assessed the coding potential of all the identified transcripts using the CPAT tool. From this, we identified 4,071 transcripts that satisfied the criteria for the long non-coding RNAs (lncRNAs) (Supplementary Table 2). That is, they were longer than 200 bases in length and were predicted to have a coding potential of Tissues considered in this study play an important role in the life cycle of the female mosquito. They are critical in blood meal digestion, metabolism, vitellogenesis, excretion, immunogenesis, Plasmodium sporogony and reproduction, which are associated with vector physiology, progression and malaria transmission. Mosquito midgut is involved in the initial storage and digestion of the ingested blood. The gut epithelium also provides site for development of oocysts and sporozoites (Sporogony). Blood meal induces pathways such as TOR, which ultimately leads to synthesis of proteins required for egg development. Fat body and ovary are known to be involved in the utilization of the nutrients from blood to enable vitellogenesis. Malpighian tubules are known to play an important role in the mosquito xenobiotics. Fat body cells (trophoblasts) and recently, Malpighian tubules have also been shown to be involved in the immune responses28-31 and is now being considered as targets for mosquito control28,31. Towards this end, we further evaluated the expression of genes previously reported to be involved in the vector-pathogen interactions32 across the four tissues (Table 2). The affordability and accessibility of sequencing-based techniques have resulted in numerous transcriptome-based studies even in An. stephensi14,15,17,19. However, due to the low depth of the other existing studies, no significant comparison could be performed between the transcript expression from our study to that of the other studies. We deciphered the genes reported to be involved in immunity14 and evaluated the expression information for the annotated transcripts and the novel alternate isoforms across the tissues (Supplementary Table 4). Although, there has been a recent study of the cDNAs from hemocytes, we could not compare the genes expressed in their study since hemocytes were not part of our study. Another reason for non-comparison was normalization issues caused by 36bp single end reads in their study, with only 49% of it mapping to the VectorBase assembly. We provide the deepest tissue-based transcriptome profiling for these four organs of An. stephensi (Indian strain), so far. Studies such as ours depicting the transcript variations amongst tissues in its physiological states provide important baseline information. In light of such information, analysis of gene expression data in the context of changes due to blood meal, infection of insecticide resistance might lead to new perspectives and insights. This, in turn, will facilitate the choice of novel targets for vector control and transmission blocking studies and other experiments as evidenced in An. gambiae33. Data Availability The RNA-sequencing data has been submitted to the Sequence Read Archive (SRA) from NCBI and can be accessed using the project accession number SRP043489. Supplementary data Supplementary data are available at www.dnaresearch.oxfordjournal.org. Funding This paper is funded by the joint research project to NIMR and IOB entitled Characterization of Malaria Vector Anopheles stephensi Proteome and Transcriptome (EMR/2014/000444) from the Science and Engineering Research Board (SERB), Government of India. SKS and GD has been supported by the Senior Research Fellowship by University Grants Commission (UGC) and MK was supported by the Council of Scientific and Industrial Research, Government of India during the study. Table 1. Transcript distribution number of transcripts in total, class code-based classification of transcripts in all four tissues and in individual tissues      Ã‚   All 4 tissues Midgut Malpighian tubule Ovary Fat body Total number of transcripts identified 21,500 17,461 18,812 18,616 18,685 Corresponding gene location identified 12,256 10,357 11,107 10,973 11,371 Total number of known/annotated transcripts = 9,722 7,508 7,883 8,001 8,015 Number of alternate isoforms/transcripts j 8,820 7,603 8,232 7,992 8,037 Number of novel transcripts (intergenic) u 2,694 2,136 2,458 2,396 2,398 Figure Legends: Figure 1. A. Graphical representation of the remarkable increase in the number of studies on Anopheles mosquitoes post genomic era. B. Workflow representation of the study pipeline followed. Figure 2. Overall representation of transcript expression. A. HeatMap representation of the Jensen-Shannon (JS) divergence between the different tissues and their technical replicates. B. Bar-chart representation of the tissue-based transcripts and their median expression in the log10(FPKM), showing normalized distribution. C. FPKM distribution curve of the transcripts identified in the four tissues. D. Distribution of transcript length across the four tissues. Figure 3. Venn diagram representation depicting the overlap and the tissue specific expression of the transcripts across the four tissues A. For VectorBase annotated transcripts. B. Distribution of alternate isoforms of transcripts. C. Distribution of novel intergenic transcripts. Figure 4. An example representing the novel spliced forms of the VectorBase annotated gene ASTEI04270. Isoforms identified due various splicing events and their expression across the four tissues. Figure 5. Expression-based transcript clusters and the functional enrichment of the classes of transcripts based on domain and Gene Ontology-based functional annotation. A. Transcripts having similar expression in all four tissues B. Midgut-enriched transcripts C. Transcripts overexpressed in Malpighian tubules D. Transcripts highly expressed in Ovary E. Fat body-enriched transcripts.

Qantas Cas Notes Essay

Analyse and interpret data Maintain Qantas/Jetstar’s combined domestic market share of 65% Match capacity with demand sustaining loads around 80% Grow Jetstar in Asia Increase internet sales Increase customer service standards Enhance complementary portfolio businesses like Freight Reduce losses of Qantas international Transform Qantas International for focusing on right aircraft, right route, network optimisation and margin improvement Grow their frequent flyer program members and partners Market Segmentation and Selection of the Target Market Qantas’ market segmentation is complex because each segment has distinctive and different needs and expectations, such as the need to make stop-overs, the ability to pay fare levels and expectations in terms of in-flight service and comfort. Qantas mainly uses behavioural segmentation to select its target markets. Buyers are distinguished according to trip purpose e. . business and leisure/non-business travellers. Marketing Strategies Positioning Formulating the Marketing Mix Product Strategies Scheduling features Comfort-based features I ne Qantas Frequent Hyer scneme (H- Intangible benefits Brand name Price Cost plus margin: Qantas determines the cost of production and then adds a margin for profit Market: most fares at Qantas are determined by the market, where demand is matched with supply Competition based: monitoring what other airlines such as Virgin Blue are charging Pricing Strategies Price penetration Full Fares Promotional Fares Loss Leading Promotiono Advertising Sales promotions particularly in periods of subdued demand. When Qantas first launched Jetstar it released 100,000 tickets at $49. Qantas also launches a two-for- one ticket sale, which allowed a second passenger to fly for the cost of taxes and charges. Personal selling Publicity Place/Distribution Distribution to end customers is achieved by Qantas in two ways, direct and indirect. DIRECT – via its own retail outlets INDIRECT – via sales agents People Because most customers have direct contact with Qantas employees, especially on he ground, the impression they give has a big impact on how Qantas is perceived. Qantas staff must have appropriate personal attributes and training for their Jobs. Qantas spends more that $275 million a year on staff training to ensure a very positive interaction between its customers. Processes Booking flights online Online check in Mobile check in cnecK In KIOSK Physical Evidence Qantas’ customers are influences by Qantas’ signage, its website, its terminals, its lounges, etc. E-Marketing uses an electronic medium to perform marketing activities, e. g. website, email. Global Marketing is the use of marketing activities across national boundaries. Qantas uses: Global Branding Standardisation Customisation Implementing, Monitoring and Controlling the Marketing Plan Qantas has a systematic base for continually monitoring, controlling and adjusting its marketing activities using the following tools: Developing a financial forecast of revenue using statistical models, past sales data, executive Judgement and surveys of customer buying intentions. It then estimates costs such as market research costs, promotion costs, product development costs and distribution costs. Comparing actual and planned results using a number of performance criteria.

New Questions About Professional Essay Answered and Why You Must Read Every Word of This Report

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Joint Comprehensive Plan Of Action ( Jcpoa ) Essay

On September 28th, 2015, President of the Islamic Republic of Iran Dr. Hassan Rouhani addressed the General Assembly of the United Nations during the General Debate and made statements that Iran was ready and had voted for engagement with the world. Within Rouhani’s speech he also stated that Iran did not want â€Å"Zionist regime to remain as the only impediment in the way of realizing this important initiative† speaking about the Joint Comprehensive Plan of Action (JCPOA). Joint Comprehensive Plan of Action (JCPOA) is an international agreement on the nuclear program of Iran which was outlined in Vienna, Austria in September 14, 2015 between Iran, China, France, Russia, United Kingdome, United States, and European Union (P5+1). In this agreement, Iran will eliminate its stockpile of medium-enriched uranium, reduce its low-enriched uranium stockpile by 98 percent and reduce by two thirds the number of gas centrifuges. 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The problem for the U.S has continuously been how to modify Iran’s behavior from nuclear development, its backing for terrorism, and regional manipulation of breaches in Sunni Arab ascendency and protests of Shia Arab populaces through a mixture of economic pressure and political segregation though Iran has adapted and endured, notwithstanding substantial international sanctions. The Joint Comprehensive Plan of Action signed in July 2015Read MoreThe Benefits Of The Joint Comprehensive Plan Of Action978 Words   |  4 Pages Since the Joint Comprehensive Plan of Action (JCPoA), or Iran Deal, was signed in Vienna on July 14, 2015, there has been widespread debate as to whether the agreement would yield benefits on both sides. Exhibited by the world’s quandary involving North Korea, discussions concerning restrictions on a nuclear program are no simple feat. Consequently, when a compromise is reached that results in the preservation of peace at a minimal cost, such as the JCPoA, it must be accepted as a success. StatedRead MoreU.s. Iranian Negotiations And The United States Essay2017 Words   |  9 PagesUnited States- Iranian Negotiations The Joint Comprehensive Plan of Action has been regarded as the biggest diplomatic failure in the United States history. While this seems to be an over sensationalized statement, analyzing the dispute system design, cross-cultural negotiation, and resistance points of the deal, may shed further insight on the Joint Comprehensive Plan of Action and how the United States resolves conflict with Middle Eastern nations. Historical Context The relations between the UnitedRead MoreCase Study Of The Iran Nuclear Program1603 Words   |  7 Pagesprogram which the IAEA failed to detect. Iraq started its peaceful nuclear program in 1956 under the Atoms for Peace program. Shortly after signing the NPT in 1968, Iraq started its clandestine nuclear weapons program. The invasion of Kuwait spurred actions that resulted in diversions of enriched uranium failing, as well as the passage of UNSC Resolution 687 directing the IAEA to expose and dismantle Iraq’s WMD program. The subsequent IAEA inspections revealed a previously undetected large and complexRead MoreAmerican Civil Society On The Iranian Nuclear Deal1086 Words   |  5 Pageswhich foreign policy issues can emerge as salient divides in American civil society. This said, and as per the work of Karsh, the Joint Comprehensive Plan of Action (JCPOA) that was signed by the United States and Iran in July 2015 has been the subject of immense controversy within America’s media, political system, and civil society. While the controversy over the JCPOA began within America’s foreign policy elites, it rapidly â€Å"trickled down† into civil society. Generally these types of debates emergeRead MoreHistory And History Of Iran1068 Words   |  5 Pagesalso has a major program developing uranium enrichment, which was concealed for many years. Iran is now limiting its enrichment-related activities and ceasing its work on heavy water-related projects, under an internationally-agreed Joint Comprehensive Plan of Action. Most enriched uranium has now been removed from the country. Figure 1. is a map of Iran showing the key nuclear facilities. There is a total of 20 sites dispersed throughout Iran. The majority of the facilities are located in the northern