Joshua Kohn

Title(s)Emeritus Professor, Ecology, Behavior, and Evolution
SchoolVc-academic Affairs
Address9500 Gilman Drive #
La Jolla CA 92093
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Seasonal variation in defense behavior in European and scutellata-hybrid honey bees (Apis mellifera) in Southern California. Sci Rep. 2023 08 07; 13(1):12790. Zarate D, Mukogawa B, Kohn J, Nieh JC. PMID: 37550348; PMCID: PMC10406949.
      View in: PubMed   Mentions: 1     Fields:    Translation:AnimalsCells
    2. Honeybees (Apis mellifera) decrease the fitness of plants they pollinate. Proc Biol Sci. 2023 06 28; 290(2001):20230967. Travis DJ, Kohn JR. PMID: 37357853; PMCID: PMC10291720.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    3. Admixture in Africanized honey bees (Apis mellifera) from Panamá to San Diego, California (U.S.A.). Ecol Evol. 2022 Feb; 12(2):e8580. Zárate D, Lima TG, Poole JD, Calfee E, Burton RS, Kohn JR. PMID: 35222958; PMCID: PMC8844128.
      View in: PubMed   Mentions: 5  
    4. Non-native honey bees disproportionately dominate the most abundant floral resources in a biodiversity hotspot. Proc Biol Sci. 2019 02 27; 286(1897):20182901. Hung KJ, Kingston JM, Lee A, Holway DA, Kohn JR. PMID: 30963829; PMCID: PMC6408903.
      View in: PubMed   Mentions: 12     Fields:    Translation:Animals
    5. The worldwide importance of honey bees as pollinators in natural habitats. Proc Biol Sci. 2018 01 10; 285(1870). Hung KJ, Kingston JM, Albrecht M, Holway DA, Kohn JR. PMID: 29321298; PMCID: PMC5784195.
      View in: PubMed   Mentions: 132     Fields:    Translation:Animals
    6. The effect of removing numerically dominant, non-native honey bees on seed set of a native plant. Oecologia. 2018 01; 186(1):281-289. Nabors AJ, Cen HJ, Hung KJ, Kohn JR, Holway DA. PMID: 29147780.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    7. Metabarcoding of Fecal Samples to Determine Herbivore Diets: A Case Study of the Endangered Pacific Pocket Mouse. PLoS One. 2016; 11(11):e0165366. Iwanowicz DD, Vandergast AG, Cornman RS, Adams CR, Kohn JR, Fisher RN, Brehme CS. PMID: 27851756; PMCID: PMC5112926.
      View in: PubMed   Mentions: 14     Fields:    Translation:Animals
    8. Range and Frequency of Africanized Honey Bees in California (USA). PLoS One. 2015; 10(9):e0137407. Kono Y, Kohn JR. PMID: 26361047; PMCID: PMC4567290.
      View in: PubMed   Mentions: 12     Fields:    Translation:Animals
    9. A new species of Triepeolus (Hymenoptera: Apidae), with comments on T. utahensis (Cockerell) and T. melanarius Rightmyer. Zootaxa. 2014 Oct 07; 3872(1):48-56. Rightmyer MG, Kono Y, Kohn JR, Hung KL. PMID: 25544070.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    10. Evolutionary genetics of an S-like polymorphism in Papaveraceae with putative function in self-incompatibility. PLoS One. 2011; 6(8):e23635. Paape T, Miyake T, Takebayashi N, Wolf D, Kohn JR. PMID: 21912602; PMCID: PMC3166141.
      View in: PubMed   Mentions: 4     Fields:    Translation:AnimalsCells
    11. Differential strengths of selection on S-RNases from Physalis and Solanum (Solanaceae). BMC Evol Biol. 2011 Aug 19; 11:243. Paape T, Kohn JR. PMID: 21854581; PMCID: PMC3175474.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    12. Species selection maintains self-incompatibility. Science. 2010 Oct 22; 330(6003):493-5. Goldberg EE, Kohn JR, Lande R, Robertson KA, Smith SA, Igic B. PMID: 20966249.
      View in: PubMed   Mentions: 140     Fields:    Translation:Animals
    13. RNase-based self-incompatibility: puzzled by pollen S. Plant Cell. 2008 Sep; 20(9):2286-92. Newbigin E, Paape T, Kohn JR. PMID: 18776062; PMCID: PMC2570731.
      View in: PubMed   Mentions: 13     Fields:    
    14. A 15-Myr-old genetic bottleneck. Mol Biol Evol. 2008 Apr; 25(4):655-63. Paape T, Igic B, Smith SD, Olmstead R, Bohs L, Kohn JR. PMID: 18209194.
      View in: PubMed   Mentions: 15     Fields:    Translation:AnimalsCells
    15. Population structure at the S-locus of Sorbus aucuparia L. (Rosaceae: Maloideae). Mol Ecol. 2007 Mar; 16(6):1315-25. Raspé O, Kohn JR. PMID: 17391416.
      View in: PubMed   Mentions: 3     Fields:    Translation:AnimalsCells
    16. The distribution of plant mating systems: study bias against obligately outcrossing species. Evolution. 2006 May; 60(5):1098-103. Igic B, Kohn JR. PMID: 16817548.
      View in: PubMed   Mentions: 35     Fields:    Translation:Animals
    17. Ancient polymorphism reveals unidirectional breeding system shifts. Proc Natl Acad Sci U S A. 2006 Jan 31; 103(5):1359-63. Igic B, Bohs L, Kohn JR. PMID: 16428289; PMCID: PMC1360522.
      View in: PubMed   Mentions: 47     Fields:    Translation:Animals
    18. Contrasting patterns of floral and molecular variation across a cline in Mimulus aurantiacus. Evolution. 2005 Dec; 59(12):2548-59. Streisfeld MA, Kohn JR. PMID: 16526503.
      View in: PubMed   Mentions: 26     Fields:    Translation:Animals
    19. Association of ploidy and sexual system in Lycium californicum (Solanaceae). Evolution. 2005 Sep; 59(9):2048-55. Yeung K, Miller JS, Savage AE, Husband BC, Igic B, Kohn JR. PMID: 16261741.
      View in: PubMed   Mentions: 4     Fields:    Translation:AnimalsCells
    20. Hummingbird foraging position is altered by the touch-sensitive stigma of bush monkeyflower. Oecologia. 2002 Dec; 133(4):551-558. Fetscher EA, Rupert SM, Kohn JR. PMID: 28466164.
      View in: PubMed   Mentions: 4     Fields:    
    21. RECONSTRUCTION OF THE EVOLUTION OF REPRODUCTIVE CHARACTERS IN PONTEDERIACEAE USING PHYLOGENETIC EVIDENCE FROM CHLOROPLAST DNA RESTRICTION-SITE VARIATION. Evolution. 1996 Aug; 50(4):1454-1469. Kohn JR, Graham SW, Morton B, Doyle JJ, Barrett SCH. PMID: 28565710.
      View in: PubMed   Mentions: 12     Fields:    
    22. POLLEN DISCOUNTING AND THE SPREAD OF A SELFING VARIANT IN TRISTYLOUS EICHHORNIA PANICULATA: EVIDENCE FROM EXPERIMENTAL POPULATIONS. Evolution. 1994 Oct; 48(5):1576-1594. Kohn JR, Barrett SCH. PMID: 28568426.
      View in: PubMed   Mentions: 8     Fields:    
    23. EXPERIMENTAL STUDIES ON THE FUNCTIONAL SIGNIFICANCE OF HETEROSTYLY. Evolution. 1992 Feb; 46(1):43-55. Kohn JR, Barrett SCH. PMID: 28564966.
      View in: PubMed   Mentions: 11     Fields:    
    24. SEX RATIO, SEED PRODUCTION, BIOMASS ALLOCATION, AND THE COST OF MALE FUNCTION IN CUCURBITA FOETIDISSIMA HBK (CUCURBITACEAE). Evolution. 1989 Nov; 43(7):1424-1434. Kohn JR. PMID: 28564233.
      View in: PubMed   Mentions: 9     Fields:    
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