Alexander S. Mikheyev on Muck Rack

Alexander S. Mikheyev

Canberra
As seen in: Nature, Wiley Online Library, MDPI, PNAS, The Conversation, Phys.org, Science Magazine, Cell Press, Australian Geographic, Manitoba Cooperator and
Professor, Australian National University. also @sasha@ecoeco.social
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Articles

Genomic signatures indicate biodiversity loss in an endemic island ant fauna

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By Cong Liu, Eli Sarnat, Jo Tan, Julia Janicki , Masako Ogasawara, Lijun Qiu, Francisco Garcia, Francisco García, Georg Fischer, Akanisi Caginitoba, Nitish Narula, Clive Darwell, Yasuhiro Kubota, Naomi E. Pierce, Alexander S. Mikheyev, John Deyrup, Miquel L. Grau
| Science Magazine
Editor’s summary Recent research has revealed a worrisome, and seemingly increasing, decline in insect populations globally. That said, not all species have been shown to be declining, and the reasons for the differences are not always clear. Liu et al. looked at ant species, using a community genetics approach, on remote Fijian islands to determine susceptibility to human impacts and disturbance.
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Gene flow stimulates recovery of reproductive fitness in a captive bred insect

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By Oliver Stuart, Alexander S. Mikheyev, Kate Pearce
| Wiley Online Library
Corresponding Author Oliver P. Stuart Research School of Biology, Australian National University, Canberra, Australian Capital Territory, Australia Correspondence Oliver P. Stuart, Research School of Biology, Australian National University, Canberra, ACT 0200, Australia.
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Purging of highly deleterious alleles through an extreme bottleneck

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By Oliver Stuart, Michael Magrath, Alexander S. Mikheyev, Kate Pearce
| biorxiv.org
Abstract Transitions to captivity often produce population bottlenecks. On one hand, bottlenecks increase inbreeding and decrease effective population size, thus increasing extinction risk. On the other, elevated homozygosity associated with extreme bottlenecks may purge deleterious alleles. Previous studies of purging in captive breeding programs have focused on phenotypic measurements and may be confounded with environmental effects.
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