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Natal in Biological News

Temporary infidelity may contribute to the stability of ancient relationships

...al queens from different colonies sometimes start nests very close together and wondered if young queens were given fungi from a nest other than their natal nestwould they treat it as their own fungal crop? "That's exactly what happens," said Poulsen, now research associate at the University of Wisconsin...

You don't call, you don't write: Connectivity in marine fish populations

... Because they knew the exact locations of both the natal anemone and the anemone in which the juvenile sett...es found juveniles as far away as 35 km from their natal lagoons. These wayward offspring play an important...Regardless of time of year, species of anemone, or natal lagoon, 40 percent of the juveniles seemed somehow...

No place like home: New theory for how salmon, sea turtles find their birthplace

...elves began life, a process scientists refer to as natal homing. "What we are proposing is that natal homing can be explained in terms of animals learni...g the way, is not known. Scientists speculate that natal homing evolved because individuals that returned t...

Scientists Find new migratory patterns for Mediterranean and Western Atlantic bluefin tuna

...ten return to their place of origin but this study is the first to document natal homing for a large, highly migratory fish. "Our study clearly shows that bluefin tuna possess remarkable natal homing abilities that rival those of Pacific salmon and migratory birds. Ne...

Fishy future written in the genes

...ung 'stay home' rather that settle on distant reefs. "Our work clearly indicates that this damselfish is a homebody that rarely moves far from its natal reef. When these fish do move, they don't go far and tend to relocate to neighbouring reefs and this can be seen in their genes. What is also clear is...

Professor Brian Greenwood awarded first Hideyo Noguchi Africa Award

...ingitis which still kill over two million African children every year. Professor Malegapuru William Makgoba, Vice-Chancellor & Principal of Kawzulu natal University, and Chair of the Medical Services Selection Sub-Committee, summarized the importance of the Hideyo Noguchi Prize thus: In combining resear...

Unfavorable ocean conditions likely cause of low 2007 salmon returns along West Coast

...the low food production of the California Current in 2005 that occurred when this years returning salmon would have been entering the ocean from their natal streams to feed and grow. The cold waters of the California Current flow southward from the northern Pacific along the West Coast and are associate...

Early environment may be key to determining bird migration location

...tion as climate change makes their winter habitats hotter and drier. We found that where the birds go in their first winter, a process called natal dispersal, may determine the area, within several hundred miles, where they will breed over their lifetime, said Colin Studds, the University of Maryl...

How baby fish find a home

...tunity in benthic organisms to colonize new habitats, but how far from home are these new habitats? They can range from tens of kilometers away to the natal reef (reef of origin). Ideally, well discover crucial inputs for a new generation of biophysical larval dispersal models vital to achieving a better u...

8 plants from South Africa may hold potential for treating high blood pressure

...w examined the effectiveness of 16 plants growing in the country's Kwa-Zulu natal region and concluded that eight plant extracts may hold value for treating ... to identify indigenous plants consumed by the local population in Kwa-Zulu natal that hold potential antihypertensive properties, the researchers examined 1...

A new tool against brain disease

...journal Nature. Walker is also at the Partners AIDS Research Center and Harvard Medical School. Other co-authors were from the University of KwaZulu natal in South Africa, Oxford University, Dana-Farber Cancer Institute of Harvard Medical School, Emory University School of Medicine, and The Wistar Instit...

How HIV 'exhausts' killer T cells

...journal Nature. Walker is also at the Partners AIDS Research Center and Harvard Medical School. Other co-authors were from the University of KwaZulu natal in South Africa, Oxford University, Dana-Farber Cancer Institute of Harvard Medical School, Emory University School of Medicine, and The Wistar Instit...

For some young fish, early gene expression is a clear harbinger of fated lifestyle

...n--that is, residential and migratory types often co-occur within a single population of young fish. Before reaching sexual maturity and leaving their natal stream, migratory individuals undergo dramatic morphological, physiological, and behavioral changes that prepare them for adulthood in open fresh and ...

South African Tribunal Asks For Damages Estimates in GSK AIDS Drug Case

...uth African AIDS advocates. AHF operates the ‘Ithembalabantu?(Zulu for people’s hope) clinic, a free AIDS treatment clinic in Umlazi Township, KwaZulu natal in partnership with the Network of AIDS Communities of South Africa (NetCom SA) a local non-government organization. In the complaint, AHF and others ...

Researchers reveal the infectious impact of salmon farms on wild salmon

...ey approached it. Unlike other species, pink and chum salmon leave their natal rivers while still much smaller than your baby finger ?3 cm long ?and weigh...to put on body mass and build resistance. The location of the farm near the natal rivers undermines this natural coping strategy. The field study also dis...
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