Development of aggressive phenotypes in zebrafish: interactions of age, experience and social status
جمعه , 25 مرداد 1392 ساعت 10:35 دسته بندی : علم زندگی ,دانلود مقاله :
Development of aggressive phenotypes in zebrafish: interactions of age, experience and social status 2013
نویسندگان :
Lesley Ricci , Cliff H. Summers , Earl T. Larson , Donald O’Malley ,Richard H. Melloni, Jr
چکیده :
Aggression is important in the life history of most vertebrate species and influences ecological and social
relationships by regulating the dynamics of territoriality, hierarchy, predation and resource utilization.
The expression of aggressive behaviour develops as an individual ages and is often shaped by social
experience. Even though the heritability of traits that yield dominantesubordinate relationships is high,
strong environmental influences also shape the expression of these individual behaviours. In this study
we present evidence for the first time of a necessary interplay between factors that generate behavioural
phenotypic plasticity in zebrafish. Select presumptively genetic and environmental elements interacted
developmentally to produce the behavioural phenotypes necessary for dominantesubordinate relationships
in dyads. Aggressive and submissive acts increased in focus and intensity and were correlated
with social rank during development, but decreased with duration of the paired interaction.
?> aggression Danio rerio development dominantesubordinate experience ontogeny social hierarchy social stress zebrafish , دانلود مقاله زیست شناسیمطالب مرتبط :
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