Stephen P. Cohen

ORCID: 0000-0002-0748-0401
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About
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Research Areas
  • Politics and Conflicts in Afghanistan, Pakistan, and Middle East
  • South Asian Studies and Conflicts
  • International Relations and Foreign Policy
  • Indian Economic and Social Development
  • Cocoa and Sweet Potato Agronomy
  • Global Peace and Security Dynamics
  • International Development and Aid
  • Asian Geopolitics and Ethnography
  • Plant-Microbe Interactions and Immunity
  • Military History and Strategy
  • Indian History and Philosophy
  • Plant Pathogenic Bacteria Studies
  • Genomics and Phylogenetic Studies
  • Nuclear Issues and Defense
  • Spine and Intervertebral Disc Pathology
  • Terrorism, Counterterrorism, and Political Violence
  • Middle East and Rwanda Conflicts
  • Maritime Security and History
  • Defense, Military, and Policy Studies
  • Phytoplasmas and Hemiptera pathogens
  • Bangladesh Politics, Society, and Development
  • Legume Nitrogen Fixing Symbiosis
  • Political Conflict and Governance
  • Peacebuilding and International Security
  • Musculoskeletal pain and rehabilitation

United States Department of Agriculture
2022-2025

Agricultural Research Service
2022-2025

Beltsville Agricultural Research Center
2024

The Ohio State University
2019-2021

Colorado State University
2016-2020

Brookings Institution
1998-2020

Johns Hopkins University
1964-2018

Johns Hopkins Medicine
2014-2018

Walter Reed National Military Medical Center
2014-2018

University of Chicago
2010

Environmental stresses greatly limit crop yield. With the increase in extreme weather events due to climate change and constant pressure of diseases pests, there is an urgent need develop varieties that can tolerate multiple stresses. However, our knowledge how plants broadly respond stress limited. Here, we explore rice core response via meta-analysis publicly available transcriptome data. Our results confirm universally down-regulates photosynthesis both abiotic biotic stress. Rice also...

10.1038/s41598-019-42731-8 article EN cc-by Scientific Reports 2019-04-18

In recent years there have been a number of efforts to develop new approaches the resolution international conflict, based on social-psychological model and involving direct, unofficial communications under thirdparty auspices. The present paper discusses one such approach, consisting problemsolving workshops in which representatives conflicting national groups are brought together for face-to-face communication relatively isolated setting, free from governmental diplomatic protocol. basic...

10.1177/002234337601300201 article EN Journal of Peace Research 1976-06-01

The rice pathogens Xanthomonas oryzae pathovar (pv.) and pv. oryzicola produce numerous transcription activator-like (TAL) effectors that increase bacterial virulence by activating expression of host susceptibility genes. Rice resistance mechanisms against TAL include polymorphisms prevent effector binding to gene promoters, or allow activation This study identifies, in the heirloom variety Carolina Gold Select, a third mechanism involving effectors. manifests through strong suppression...

10.1111/tpj.13212 article EN The Plant Journal 2016-05-21

Plant disease is a major challenge to agriculture worldwide, and it exacerbated by abiotic environmental factors. During some plant-pathogen interactions, heat stress allows pathogens overcome host resistance, phenomenon which could severely impact crop productivity considering the global warming trends associated with climate change. Despite importance of this phenomenon, little known about underlying molecular mechanisms. To better understand plant responses during simultaneous pathogen...

10.1371/journal.pone.0187625 article EN cc-by PLoS ONE 2017-11-06

Abstract Theobroma cacao , the chocolate tree, is indigenous to Amazon basin, greatest biodiversity hotspot on earth. Recent advancement in plant genomics highlights importance of de novo sequencing multiple reference genomes capture genome diversity present different populations. In this study, three high-quality chromosome-level wild were constructed, assembled with HiFi long reads sequencing, and scaffolded using a reference-free strategy. These represent most important genetic clusters...

10.1038/s41597-024-03215-1 article EN cc-by Scientific Data 2024-04-11

An abstract is not available for this content so a preview has been provided. Please use the Get access link above information on how to content.

10.2307/1962834 article EN American Political Science Review 1990-09-01

Security, normalized interactions, acceptance of Israel in the region, right Palestinian self determination, and role Egypt newly emerging Middle East setting were topics discussion at a historical meeting which took place May 1979, Cairo. About dozen intellectuals from met to discuss these related issues. We, authors this article invited participate as third-party facilitators. We concluded that peace process will continue encounter difficulties although many positive steps have already...

10.1177/002200278102500104 article EN Journal of Conflict Resolution 1981-03-01

Abstract The oomycete Phytophthora palmivora infects the fruit of cacao trees ( Theobroma ) causing black pod rot and reducing yields. Cacao genotypes vary in their resistance levels to P. , yet our understanding how respond pathogen at molecular level during disease establishment is limited. To address this issue, development RNA-Seq studies were conducted on pods seven (ICS1, WFT, Gu133, Spa9, CCN51, Sca6 Pound7) better understand reactions post-penetration stage infection. tissue- assay...

10.1038/s41598-024-54355-8 article EN cc-by Scientific Reports 2024-02-20

Abstract The Pakistani state has been failing for many years, but even the very idea of Pakistan is contested. tension between these two concepts what makes an especially important case. Which likely to emerge? What should United States do?

10.1162/01636600260046271 article EN The Washington Quarterly 2002-07-28
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