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Joshua Kohn

Title(s)Professor, Ecology, Behavior, and Evolution
SchoolAcademic Aff
Phone858-534-8233
Emailjkohn@ucsd.edu
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    1. Hung KJ, Kingston JM, Lee A, Holway DA, Kohn JR. Non-native honey bees disproportionately dominate the most abundant floral resources in a biodiversity hotspot. Proc Biol Sci. 2019 Feb 27; 286(1897):20182901. PMID: 30963829.
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    2. Hung KJ, Kingston JM, Albrecht M, Holway DA, Kohn JR. The worldwide importance of honey bees as pollinators in natural habitats. Proc Biol Sci. 2018 01 10; 285(1870). PMID: 29321298.
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    3. Nabors AJ, Cen HJ, Hung KJ, Kohn JR, Holway DA. The effect of removing numerically dominant, non-native honey bees on seed set of a native plant. Oecologia. 2018 Jan; 186(1):281-289. PMID: 29147780.
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    4. Iwanowicz DD, Vandergast AG, Cornman RS, Adams CR, Kohn JR, Fisher RN, Brehme CS. Metabarcoding of Fecal Samples to Determine Herbivore Diets: A Case Study of the Endangered Pacific Pocket Mouse. PLoS One. 2016; 11(11):e0165366. PMID: 27851756.
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    5. Kono Y, Kohn JR. Range and Frequency of Africanized Honey Bees in California (USA). PLoS One. 2015; 10(9):e0137407. PMID: 26361047; PMCID: PMC4567290.
    6. Rightmyer MG, Kono Y, Kohn JR, Hung KL. 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. PMID: 25544070.
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    7. Paape T, Miyake T, Takebayashi N, Wolf D, Kohn JR. Evolutionary genetics of an S-like polymorphism in Papaveraceae with putative function in self-incompatibility. PLoS One. 2011; 6(8):e23635. PMID: 21912602.
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    8. Paape T, Kohn JR. Differential strengths of selection on S-RNases from Physalis and Solanum (Solanaceae). BMC Evol Biol. 2011 Aug 19; 11:243. PMID: 21854581; PMCID: PMC3175474.
    9. Goldberg EE, Kohn JR, Lande R, Robertson KA, Smith SA, Igic B. Species selection maintains self-incompatibility. Science. 2010 Oct 22; 330(6003):493-5. PMID: 20966249.
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    10. Newbigin E, Paape T, Kohn JR. RNase-based self-incompatibility: puzzled by pollen S. Plant Cell. 2008 Sep; 20(9):2286-92. PMID: 18776062; PMCID: PMC2570731.
    11. Paape T, Igic B, Smith SD, Olmstead R, Bohs L, Kohn JR. A 15-Myr-old genetic bottleneck. Mol Biol Evol. 2008 Apr; 25(4):655-63. PMID: 18209194.
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    12. Raspé O, Kohn JR. Population structure at the S-locus of Sorbus aucuparia L. (Rosaceae: Maloideae). Mol Ecol. 2007 Mar; 16(6):1315-25. PMID: 17391416.
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    13. Streisfeld MA, Kohn JR. Environment and pollinator-mediated selection on parapatric floral races of Mimulus aurantiacus. J Evol Biol. 2007 Jan; 20(1):122-32. PMID: 17210005.
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    14. Igic B, Kohn JR. The distribution of plant mating systems: study bias against obligately outcrossing species. Evolution. 2006 May; 60(5):1098-103. PMID: 16817548.
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    15. Igic B, Bohs L, Kohn JR. Ancient polymorphism reveals unidirectional breeding system shifts. Proc Natl Acad Sci U S A. 2006 Jan 31; 103(5):1359-63. PMID: 16428289.
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    16. Streisfeld MA, Kohn JR. Contrasting patterns of floral and molecular variation across a cline in Mimulus aurantiacus. Evolution. 2005 Dec; 59(12):2548-59. PMID: 16526503.
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    17. Yeung K, Miller JS, Savage AE, Husband BC, Igic B, Kohn JR. Association of ploidy and sexual system in Lycium californicum (Solanaceae). Evolution. 2005 Sep; 59(9):2048-55. PMID: 16261741.
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    18. Fetscher EA, Rupert SM, Kohn JR. Hummingbird foraging position is altered by the touch-sensitive stigma of bush monkeyflower. Oecologia. 2002 Dec; 133(4):551-558. PMID: 28466164.
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    19. Raspé O, Kohn JR. S-allele diversity in Sorbus aucuparia and Crataegus monogyna (Rosaceae: Maloideae). Heredity (Edinb). 2002 Jun; 88(6):458-65. PMID: 12180088.
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    20. Igic B, Kohn JR. Evolutionary relationships among self-incompatibility RNases. Proc Natl Acad Sci U S A. 2001 Nov 06; 98(23):13167-71. PMID: 11698683.
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    21. Fetscher AE, Kohn JR. Stigma behavior in Mimulus aurantiacus (Scrophulariaceae). Am J Bot. 1999 Aug; 86(8):1130-5. PMID: 10449392.
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    22. Richman AD, Kohn JR. Learning from rejection: the evolutionary biology of single-locus incompatibility. Trends Ecol Evol. 1996 Dec; 11(12):497-502. PMID: 21237937.
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    23. Richman AD, Uyenoyama MK, Kohn JR. Allelic diversity and gene genealogy at the self-incompatibility locus in the Solanaceae. Science. 1996 Aug 30; 273(5279):1212-6. PMID: 8703052.
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    24. Kohn JR, Graham SW, Morton B, Doyle JJ, Barrett SCH. 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. PMID: 28565710.
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    25. Richman AD, Uyenoyama MK, Kohn JR. S-allele diversity in a natural population of Physalis crassifolia (Solanaceae) (ground cherry) assessed by RT-PCR. Heredity (Edinb). 1996 May; 76 ( Pt 5):497-505. PMID: 8666546.
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    26. Kohn JR, Barrett SCH. POLLEN DISCOUNTING AND THE SPREAD OF A SELFING VARIANT IN TRISTYLOUS EICHHORNIA PANICULATA: EVIDENCE FROM EXPERIMENTAL POPULATIONS. Evolution. 1994 Oct; 48(5):1576-1594. PMID: 28568426.
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    27. Kohn JR, Barrett SCH. EXPERIMENTAL STUDIES ON THE FUNCTIONAL SIGNIFICANCE OF HETEROSTYLY. Evolution. 1992 Feb; 46(1):43-55. PMID: 28564966.
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    28. Kohn JR. SEX RATIO, SEED PRODUCTION, BIOMASS ALLOCATION, AND THE COST OF MALE FUNCTION IN CUCURBITA FOETIDISSIMA HBK (CUCURBITACEAE). Evolution. 1989 Nov; 43(7):1424-1434. PMID: 28564233.
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