Results 21 to 30 of about 108,171 (302)

Founder effects and silvereyes [PDF]

open access: yesProceedings of the National Academy of Sciences, 2002
Patterns of variation in nature have played a large role in the development of explanations for biological richness at the species level. One such influential pattern has been the morphological distinctiveness of small populations on islands at the periphery of a large continental land mass (1).
openaire   +2 more sources

Founder Control, Ownership Structure and Firm Value: Evidence from Entrepreneurial Listed Firms in China

open access: yesChina Journal of Accounting Research, 2008
In emerging markets, the deviation between the ultimate controlling shareholders' voting rights and their cash flow rights (hereafter “DVC”) in the listed firms is quite prevalent.
Lijun Xia
doaj   +1 more source

Genetic Diversity of Invasive Spartina alterniflora Loisel. (Poaceae) Introduced Unintentionally Into Japan and Its Invasion Pathway

open access: yesFrontiers in Plant Science, 2020
Among invasive species, aquatic plants pose serious threats to local biodiversity and ecosystem functions. Spartina alterniflora Loisel. (Poaceae), native to the eastern United States, was introduced unintentionally into Japan (Aichi and Kumamoto ...
Yu Maebara   +7 more
doaj   +1 more source

Infection dynamics, transmission, and evolution after an outbreak of porcine reproductive and respiratory syndrome virus

open access: yesFrontiers in Microbiology, 2023
The present study was aimed at describing the infection dynamics, transmission, and evolution of porcine reproductive and respiratory syndrome virus (PRRSV) after an outbreak in a 300-sow farrow-to-wean farm that was implementing a vaccination program ...
Hepzibar Clilverd   +5 more
doaj   +1 more source

Founder mutation in the PMM2 promotor causes hyperinsulinemic hypoglycaemia/polycystic kidney disease (HIPKD)

open access: yesMolecular Genetics & Genomic Medicine, 2021
Background Polycystic kidney disease with hyperinsulinaemic hypoglycaemia (HIPKD) is a recently described disease caused by a single nucleotide variant, c.‐167G>T, in the promoter region of PMM2 (encoding phosphomannomutase 2), either in homozygosity or ...
Sumaya Islam   +9 more
doaj   +1 more source

Is the High Frequency of Machado-Joseph Disease in China Due to New Mutational Origins?

open access: yesFrontiers in Genetics, 2019
Machado-Joseph disease (MJD, also known as spinocerebellar ataxia 3 or SCA3) is the most common dominant ataxia worldwide, with an overall average prevalence of 1–5/100,000. To this date, two major ancestral lineages have been found throughout the world.
Tianjiao Li   +22 more
doaj   +1 more source

Founder as Steward or Agent? A Study of Founder Ownership and Firm Value [PDF]

open access: yes, 2017
This study addresses the relationship between founder ownership and firm value in young and entrepreneurial businesses. We argue that a stewardship effect prevails when founders have low or high levels of ownership whilst an agency effect prevails at ...
Alexandra Dawson   +5 more
core   +1 more source

An island-hopping bird reveals how founder events shape genome-wide divergence

open access: yes, 2021
When populations colonise new areas, both strong selection and strong drift can be experienced due to novel environments and small founding populations, respectively.
Robertson, Bruce   +11 more
core   +1 more source

The founder sociality hypothesis [PDF]

open access: yes, 2021
創始者社会性仮説は、動物が新しいニッチに進出する際の長期的な社会変化を説明する. 京都大学プレスリリース. 2021-10-29.Founder sociality hypothesis explains long-lasting social change when animals expand into a novel niche. 京都大学プレスリリース.
Yamamoto, Shinya   +3 more
core   +1 more source

Free Pass Through the Pillars of Hercules? Genetic and Historical Insights Into the Recent Expansion of the Atlantic Blue Crab Callinectes sapidus to the West and the East of the Strait of Gibraltar

open access: yesFrontiers in Marine Science, 2022
The invasive Atlantic blue crab Callinectes sapidus has considerably extended its distribution along the Gulf of Cadiz and Moroccan coasts in the northeast Atlantic.
Enrique González-Ortegón   +9 more
doaj   +1 more source

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