World's Best Scientists 2026 revealed!
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Plant Science and Agronomy
USA
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
94
Citations
31125
World Ranking
218
National Ranking
76

Genetics

D-Index
92
Citations
27694
World Ranking
1011
National Ranking
492

Research.com Recognitions

  • 2026 - Research.com Plant Science and Agronomy in United States Leader Award
  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Timothy J. Close is affiliated with the University of California, Riverside in the United States. Their research expertise lies primarily within the Agricultural and Biological Sciences, with a strong focus on Plant Science and occasional work in Insect Science.

The scientist's research covers several main topics, including:

  • Agricultural pest management studies
  • Legume Nitrogen Fixing Symbiosis
  • Soybean genetics and cultivation
  • Genetic and Environmental Crop Studies
  • Peanut Plant Research Studies
  • Genetics and Plant Breeding
  • Plant Parasitism and Resistance

Timothy J. Close has published in frequent collaboration with other researchers, most notably:

  • María Muñoz-Amatriaín
  • Sassoum Lô
  • Ira A. Herniter
  • Stefano Lonardi
  • Philip A. Roberts

Regular publication venues for their work include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Legume Science
  • Horticulturae
  • Journal of Plant Physiology
  • Proceedings of the National Academy of Sciences

Among their recent scientific papers are:

  • "Genomic resources in plant breeding for sustainable agriculture" (2020, Journal of Plant Physiology)
  • "A receptor-like protein mediates plant immune responses to herbivore-associated molecular patterns" (2020, Proceedings of the National Academy of Sciences)
  • "Genetic, textual, and archeological evidence of the historical global spread of cowpea ( Vigna unguiculata [L.] Walp.)" (2020, Legume Science)
  • "The UCR Minicore: a resource for cowpea research and breeding" (2021, Legume Science)
  • "A view of the pan-genome of domesticated Cowpea ( Vigna unguiculata [L.] Walp.)" (2023, The Plant Genome)

Timothy J. Close was awarded the distinction of Fellow of the American Association for the Advancement of Science (AAAS) in 2009.

Best Publications

  • A physical, genetic and functional sequence assembly of the barley genome

    Klaus F.X. Mayer;Robbie Waugh;Peter Langridge;Timothy J. Close

  • A chromosome conformation capture ordered sequence of the barley genome

    Martin Mascher;Heidrun Gundlach;Axel Himmelbach;Sebastian Beier

  • Dehydrins: Emergence of a biochemical role of a family of plant dehydration proteins

    Timothy J. Close

  • Dehydrins: A commonalty in the response of plants to dehydration and low temperature

    Timothy J. Close

  • A cDNA-based comparison of dehydration-induced proteins (dehydrins) in barley and corn.

    Timothy J. Close;Alexander A. Kortt;Peter M. Chandler

  • Development and implementation of high-throughput SNP genotyping in barley

    Timothy J Close;Prasanna R Bhat;Prasanna R Bhat;Stefano Lonardi;Yonghui Wu;Yonghui Wu

  • CLARK: fast and accurate classification of metagenomic and genomic sequences using discriminative k-mers

    Rachid Ounit;Steve Wanamaker;Timothy J Close;Stefano Lonardi

  • Efficient and accurate construction of genetic linkage maps from the minimum spanning tree of a graph.

    Yonghui Wu;Prasanna R. Bhat;Timothy J. Close;Stefano Lonardi

  • Comparative Transcriptional Profiling of Two Contrasting Rice Genotypes under Salinity Stress during the Vegetative Growth Stage

    Harkamal Walia;Clyde Wilson;Pascal Condamine;Xuan Liu

  • Expression of dehydrins under heat stress and their relationship with water relations of sugarcane leaves

    A. Wahid;T. J. Close

  • Comparative DNA Sequence Analysis of Wheat and Rice Genomes

    Mark E. Sorrells;Mauricio La Rota;Catherine E. Bermudez-Kandianis;Robert A. Greene

  • INTERMEDIUM-C, a modifier of lateral spikelet fertility in barley, is an ortholog of the maize domestication gene TEOSINTE BRANCHED 1

    Luke Ramsay;Jordi Comadran;Arnis Druka;David F Marshall

  • A chromosome bin map of 16,000 expressed sequence tag loci and distribution of genes among the three genomes of polyploid wheat.

    L. L. Qi;B. Echalier;S. Chao;S. Chao;G. R. Lazo

  • The binding of Maize DHN1 to Lipid Vesicles. Gain of Structure and Lipid Specificity

    Myong-Chul Koag;Raymond D. Fenton;Stephan Wilkens;Timothy J. Close

  • Purification, immunolocalization, cryoprotective, and antifreeze activity of PCA60: A dehydrin from peach (Prunus persica)

    Michael Wisniewski;Robert Webb;Ron Balsamo;Timothy J Close

  • Dehydrins: genes, proteins, and associations with phenotypic traits

    Scott A. Campbell;Timothy J. Close

  • Recent history of artificial outcrossing facilitates whole-genome association mapping in elite inbred crop varieties

    Nils Rostoks;Luke Ramsay;Katrin MacKenzie;Linda Cardle

  • The Organization and Rate of Evolution of Wheat Genomes Are Correlated With Recombination Rates Along Chromosome Arms

    Eduard D. Akhunov;Andrew W. Goodyear;Shu Geng;Li-Li Qi

  • A New Resource for Cereal Genomics: 22K Barley GeneChip Comes of Age

    Timothy J. Close;Steve I. Wanamaker;Rico A. Caldo;Stacy M. Turner

  • A view of plant dehydrins using antibodies specific to the carboxy terminal peptide.

    Timothy J. Close;Raymond D. Fenton;Francis Moonan

  • Genome-wide SNP discovery and linkage analysis in barley based on genes responsive to abiotic stress

    Nils Rostoks;Sharon Mudie;Linda Cardle;Joanne Russell

  • Construction and characterization of the chloramphenicol-resistance gene cartridge: a new approach to the transcriptional mapping of extrachromosomal elements.

    Timothy J. Close;R.L. Rodriguez

  • Barley Cbf3 Gene Identification, Expression Pattern, and Map Location

    Dong-Woog Choi;Edmundo M. Rodriguez;Timothy J. Close

  • The barley (Hordeum vulgare L.) dehydrin multigene family: sequences, allele types, chromosome assignments, and expression characteristics of 11 Dhn genes of cv Dicktoo

    D.-W. Choi;B. Zhu;T. J. Close

Frequent Co-Authors

Philip A. Roberts
Philip A. Roberts University of California, Riverside
Stefano Lonardi
Stefano Lonardi University of California, Riverside
Gary J. Muehlbauer
Gary J. Muehlbauer University of Minnesota
Shiaoman Chao
Shiaoman Chao Agricultural Research Service
Robbie Waugh
Robbie Waugh James Hutton Institute
Nils Stein
Nils Stein University of Western Australia
Yonghui Wu
Yonghui Wu Google (United States)
Harkamal Walia
Harkamal Walia University of Nebraska–Lincoln
Patrick M. Hayes
Patrick M. Hayes Oregon State University
Roger P. Wise
Roger P. Wise Agricultural Research Service

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