Sexual signal evolution and patterns of assortative mating across an intraspecific contact zone
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作者:
Pascal, Florine J. M.
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机构:
Calif State Univ, Dept Biol, Northridge, CA USA
Calif State Univ, Dept Biol, Northridge, CA 91330 USACalif State Univ, Dept Biol, Northridge, CA USA
Pascal, Florine J. M.
[1
,5
]
Vega, Andres
论文数: 0引用数: 0
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机构:
AMBICOR, Tibas, Costa RicaCalif State Univ, Dept Biol, Northridge, CA USA
Vega, Andres
[2
]
Akopyan, Maria
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ, Dept Biol, Northridge, CA USA
Cornell Univ, Dept Ecol & Evolutionary Biol, New York, NY USACalif State Univ, Dept Biol, Northridge, CA USA
Akopyan, Maria
[1
,3
]
Hoke, Kim L.
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机构:
Colorado State Univ, Dept Biol, Ft Collins, CO USACalif State Univ, Dept Biol, Northridge, CA USA
Hoke, Kim L.
[4
]
Robertson, Jeanne M.
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机构:
Calif State Univ, Dept Biol, Northridge, CA USACalif State Univ, Dept Biol, Northridge, CA USA
Robertson, Jeanne M.
[1
]
机构:
[1] Calif State Univ, Dept Biol, Northridge, CA USA
[2] AMBICOR, Tibas, Costa Rica
[3] Cornell Univ, Dept Ecol & Evolutionary Biol, New York, NY USA
[4] Colorado State Univ, Dept Biol, Ft Collins, CO USA
[5] Calif State Univ, Dept Biol, Northridge, CA 91330 USA
Contact zones provide important insights into the evolutionary processes that underlie lineage divergence and speciation. Here, we use a contact zone to ascertain speciation potential in the red-eyed treefrog (Agalychnis callidryas), a brightly coloured and polymorphic frog that exhibits unusually high levels of intraspecific variation. Populations of A. callidryas differ in a number of traits, several of which are known sexual signals that mediate premating reproductive isolation in allopatric populations. Along the Caribbean coast of Costa Rica, a similar to 100 km contact zone, situated between two phenotypically and genetically divergent parent populations, contains multiple colour pattern phenotypes and late-generation hybrids. This contact zone provides the opportunity to examine processes that are important in the earliest stages of lineage divergence. We performed analyses of colour pattern variation in five contact zone sites and six parental sites and found complex, continuous colour variation along the contact zone. We found discordance between the geographic distribution of colour pattern and previously described genomic population structure. We then used a parental site and contact zone site to measure assortative mating and directional selection from naturally-occurring amplectant mating pairs. We found assortative mating in a parental population, but no assortative mating in the contact zone. Furthermore, we uncovered evidence of directional preference towards the adjacent parental phenotype in the contact zone population, but no directional preference in the parent population. Combined, these data provide insights into potential dynamics at the contact zone borders and indicate that incipient speciation between parent populations will be slowed.
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Akopyan, Maria
Kaiser, Kristine
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USA
Pomona Coll, Dept Biol, Claremont, CA 91711 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Kaiser, Kristine
Vega, Andres
论文数: 0引用数: 0
h-index: 0
机构:
AMBICOR, Tibas, Costa RicaCalif State Univ, Dept Biol, Northridge, CA 91330 USA
Vega, Andres
Savant, Neha G.
论文数: 0引用数: 0
h-index: 0
机构:
Pomona Coll, Dept Biol, Claremont, CA 91711 USA
Columbia Univ, Dept Ecol Evolut & Environm Biol, New York, NY USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Savant, Neha G.
Owen, Cassandra Y.
论文数: 0引用数: 0
h-index: 0
机构:
Pomona Coll, Dept Biol, Claremont, CA 91711 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Owen, Cassandra Y.
Dudgeon, Steven R.
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Dudgeon, Steven R.
Robertson, Jeanne M.
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
机构:
Boston Univ, Dept Biol, Boston, MA 02215 USABoston Univ, Dept Biol, Boston, MA 02215 USA
Caldwell, Michael S.
Johnston, Gregory R.
论文数: 0引用数: 0
h-index: 0
机构:
Flinders Univ S Australia, Sch Biol Sci, Adelaide, SA 5001, Australia
Adelaide Zoo, Royal Zool Soc S Australia, Adelaide, SA 5000, Australia
Smithsonian Trop Res Inst, Panama City, PanamaBoston Univ, Dept Biol, Boston, MA 02215 USA
Johnston, Gregory R.
McDaniel, J. Gregory
论文数: 0引用数: 0
h-index: 0
机构:
Boston Univ, Dept Mech Engn, Boston, MA 02215 USABoston Univ, Dept Biol, Boston, MA 02215 USA
McDaniel, J. Gregory
Warkentin, Karen M.
论文数: 0引用数: 0
h-index: 0
机构:
Boston Univ, Dept Biol, Boston, MA 02215 USA
Smithsonian Trop Res Inst, Panama City, PanamaBoston Univ, Dept Biol, Boston, MA 02215 USA
机构:
Calif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Michigan State Univ, Ecol Evolut & Behav Program, Dept Integrat Biol, E Lansing, MI 48824 USA
Michigan State Univ, WK Kellogg Biol Stn, Hickory Corners, MI 49060 USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Clark, Meaghan, I
Bradburd, Gideon S.
论文数: 0引用数: 0
h-index: 0
机构:
Michigan State Univ, Ecol Evolut & Behav Program, Dept Integrat Biol, E Lansing, MI 48824 USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Bradburd, Gideon S.
Akopyan, Maria
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Cornell Univ, Dept Ecol & Evolutionary Biol, Ithaca, NY USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Akopyan, Maria
Vega, Andres
论文数: 0引用数: 0
h-index: 0
机构:
AMBICOR, Tibas, Costa RicaCalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Vega, Andres
Rosenblum, Erica Bree
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA
Univ Calif Berkeley, Museum Vertebrate Zool, Berkeley, CA 94720 USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Rosenblum, Erica Bree
Robertson, Jeanne M.
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Nat Hist Museum Los Angeles Cty, Dept Herpetol, Los Angeles, CA USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Akopyan, Maria
Kaiser, Kristine
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USA
Pomona Coll, Dept Biol, Claremont, CA 91711 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Kaiser, Kristine
Vega, Andres
论文数: 0引用数: 0
h-index: 0
机构:
AMBICOR, Tibas, Costa RicaCalif State Univ, Dept Biol, Northridge, CA 91330 USA
Vega, Andres
Savant, Neha G.
论文数: 0引用数: 0
h-index: 0
机构:
Pomona Coll, Dept Biol, Claremont, CA 91711 USA
Columbia Univ, Dept Ecol Evolut & Environm Biol, New York, NY USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Savant, Neha G.
Owen, Cassandra Y.
论文数: 0引用数: 0
h-index: 0
机构:
Pomona Coll, Dept Biol, Claremont, CA 91711 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Owen, Cassandra Y.
Dudgeon, Steven R.
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
Dudgeon, Steven R.
Robertson, Jeanne M.
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ, Dept Biol, Northridge, CA 91330 USACalif State Univ, Dept Biol, Northridge, CA 91330 USA
机构:
Boston Univ, Dept Biol, Boston, MA 02215 USABoston Univ, Dept Biol, Boston, MA 02215 USA
Caldwell, Michael S.
Johnston, Gregory R.
论文数: 0引用数: 0
h-index: 0
机构:
Flinders Univ S Australia, Sch Biol Sci, Adelaide, SA 5001, Australia
Adelaide Zoo, Royal Zool Soc S Australia, Adelaide, SA 5000, Australia
Smithsonian Trop Res Inst, Panama City, PanamaBoston Univ, Dept Biol, Boston, MA 02215 USA
Johnston, Gregory R.
McDaniel, J. Gregory
论文数: 0引用数: 0
h-index: 0
机构:
Boston Univ, Dept Mech Engn, Boston, MA 02215 USABoston Univ, Dept Biol, Boston, MA 02215 USA
McDaniel, J. Gregory
Warkentin, Karen M.
论文数: 0引用数: 0
h-index: 0
机构:
Boston Univ, Dept Biol, Boston, MA 02215 USA
Smithsonian Trop Res Inst, Panama City, PanamaBoston Univ, Dept Biol, Boston, MA 02215 USA
机构:
Calif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Michigan State Univ, Ecol Evolut & Behav Program, Dept Integrat Biol, E Lansing, MI 48824 USA
Michigan State Univ, WK Kellogg Biol Stn, Hickory Corners, MI 49060 USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Clark, Meaghan, I
Bradburd, Gideon S.
论文数: 0引用数: 0
h-index: 0
机构:
Michigan State Univ, Ecol Evolut & Behav Program, Dept Integrat Biol, E Lansing, MI 48824 USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Bradburd, Gideon S.
Akopyan, Maria
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Cornell Univ, Dept Ecol & Evolutionary Biol, Ithaca, NY USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Akopyan, Maria
Vega, Andres
论文数: 0引用数: 0
h-index: 0
机构:
AMBICOR, Tibas, Costa RicaCalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Vega, Andres
Rosenblum, Erica Bree
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA
Univ Calif Berkeley, Museum Vertebrate Zool, Berkeley, CA 94720 USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Rosenblum, Erica Bree
Robertson, Jeanne M.
论文数: 0引用数: 0
h-index: 0
机构:
Calif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA
Nat Hist Museum Los Angeles Cty, Dept Herpetol, Los Angeles, CA USACalif State Univ Northridge, Dept Biol, Northridge, CA 91330 USA