Search results for inbreeding depression

Plants & Animals Jun 19, 2024

Sourcing genomically-diverse seedlings to create climate-change resilient forests brings optimism

A research paper from University of Vermont's Keller Laboratory examining the impacts of genomically-diverse seedlings on the resilience of red spruce forests in a changing climate was published in Applications in Plant Sciences.

Ecology Jun 13, 2024

P-22 lived an epic and tragic life in Griffith Park: Would a new mountain lion fare any better?

A sleek mountain lion filmed from behind the wheel of a Tesla on the edge of Griffith Park last month triggered a collective double take in Los Angeles.

Molecular & Computational biology May 20, 2024

Genetic resilience and adaptation of the endangered Chinese hazelnut

Endangered species are often characterized by severe population decline or even near-extinction status during their demographic histories. Such threats usually stem from historical climate changes and human activities.

Molecular & Computational biology May 16, 2024

The genetic basis and process of inbreeding depression in an elite hybrid rice

Inbreeding depression is defined as reduced fitness or performance arising from increasing homozygosity of progenies due to successive inbreeding, whereas heterosis refers to the superiority of a hybrid over its parent resulting ...

Archaeology Dec 17, 2023

Shaggy dog yarn: Study unravels history and demise of long-haired canine

A little-known dog lineage with fur so thick it was spun into blankets was selectively bred for millennia by Native Americans of the Pacific Northwest until its rapid demise following European colonization, a study in Science ...

Plants & Animals Nov 15, 2023

On two small islands in the Indian Ocean, an endangered palm with the world's largest seed

Every tree species has its story. Unraveling all 73,000 of them is a significant undertaking for science, in no small part because a considerable proportion of tree biodiversity is tropical, rare, remote and subject to the ...

Evolution Aug 29, 2023

Male crested macaques more likely to respond to screams from their own offspring, study finds

When infants are involved in agonistic conflicts, male crested macaques (Macaca nigra) are more likely to respond to screams from their own offspring. This is the conclusion of a recent study led by behavioral ecologist Professor ...

Molecular & Computational biology Aug 24, 2023

Research opens the door to more efficient potato breeding

The dream of every potato breeders is to combine all the desirable characteristics that can make potato more productive and resistant to the effects of climate change, diseases and pests. The process, however, is far from ...

Ecology May 31, 2023

More pragmatic approach needed when sourcing seeds for ecological restoration in New Zealand

It's time to relax the strict guidelines around ecosourcing seed for local genetic stock if we want to build resilience into our changing environment.

Ecology Mar 20, 2023

New genome sequencing shows inbreeding contributes to decline of endangered killer whales

The small size and isolation of the endangered population of Southern Resident killer whales in the Pacific Northwest have led to high levels of inbreeding. This inbreeding has contributed to their decline, which has continued ...

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