Jan 27, 2016
USDA creating bee genebank to preserve genetic diversity

The Agricultural Research Service (ARS) is organizing a national bee genebank as part of the agency’s response to ongoing problems facing the country’s beekeepers. Average losses of managed honey bee colonies have increased to more than 30 percent per year due to pathogens, pests, parasites, and other pressures including deficient nutrition and sublethal impacts of pesticides. These stresses have threatened the continued business sustainability of commercial beekeepers.

The genebank, which will be located in Fort Collins, Colorado, will help preserve the genetic diversity of honey bees, especially for traits such as resistance to pests or diseases and pollination efficiency. It will also provide ARS and other researchers access to resources from which to breed better bees, according to entomologist Robert Danka, with the ARS Honey Bee Breeding, Genetics, and Physiology Research Unit in Baton Rouge, Louisiana. Danka is helping shape the bee genebank—the Russian honey bee and Varroa Sensitive Hygiene lines developed at the Baton Rouge lab will be among those conserved first.

To help make the genebank a practical reality, ARS researchers are developing better long-term storage techniques for honey bees, including improving cryopreservation of bee sperm and embryos. Their work will include creating a way to reliably revive frozen embryos and grow them into reproductively viable adults after storage.

Another component needed to create the new genebank is a germplasm species committee, which will decide which species and subspecies to collect and preserve. ARS and Washington State University are working with beekeepers on the next steps for the committee.

ARS is USDA‘s chief intramural scientific research agency.

Read more about the new genebank in the January 2016 issue of AgResearch.

Kim Kaplan, USDA Agricultural Research Service


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