Comment on “The hologenomic basis of speciation: Gut bacteria cause hybrid lethality in the genus Nasonia ” | Zendy

James Chandler | Zendy; Michael Turelli | Zendy

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Comment on “The hologenomic basis of speciation: Gut bacteria cause hybrid lethality in the genus Nasonia ”

Author(s) -

James Chandler,

Michael Turelli

Publication year - 2014

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1251997

Subject(s) - bacteria , biology , genetic algorithm , evolutionary biology , genetics , zoology

Brucker and Bordenstein (Reports, 9 August 2013, p. 667) claim that adaptive codivergence of gut bacteria with hosts contributes to hybrid lethality. Yet, they provide no evidence for coadaptation of bacteria and Nasonia hosts. Their data on hybrid viability suggest that bacteria contribute to inviability only because intrinsic hybrid dysfunction increases susceptibility to free-living bacteria. Hologenomic speciation remains testable speculation without experimental support.

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