Evidence for Pleistocene gene flow through the ice-free corridor from extinct horses and camels from Natural Trap Cave, Wyoming

2021 ◽  
Author(s):  
Kieren J. Mitchell ◽  
Pere Bover ◽  
Alexander T. Salis ◽  
Caitlin Mudge ◽  
Holly Heiniger ◽  
...  
Keyword(s):  
Gene Flow ◽  
Flow Through ◽  
Natural Trap

High gene flow through pollen partially compensates spatial limited gene flow by seeds for a Neotropical tree in forest conservation and restoration areas

2021 ◽  
Author(s):  
Patricia Sanae Sujii ◽  
Evandro Vagner Tambarussi ◽  
Carolina Grando ◽  
Ellida de Aguiar Silvestre ◽  
João Paulo Gomes Viana ◽  
...  
Keyword(s):  
Gene Flow ◽  
Forest Conservation ◽  
Neotropical Tree ◽  
High Gene Flow ◽  
High Gene ◽  
Limited Gene Flow ◽  
Flow Through

Agricultural intensification alters marbled newt genetic diversity and gene flow through density and dispersal reduction

2021 ◽  
Author(s):  
Bertrand Gauffre ◽  
Alexandre Boissinot ◽  
Vincent Quiquempois ◽  
Raphael Leblois ◽  
Pierre Grillet ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Gene Flow ◽  
Agricultural Intensification ◽  
Flow Through

scholarly journals Gene-flow through space and time: dispersal, dormancy and adaptation to changing environments

2015 ◽  
Vol 29 (6) ◽  
pp. 813-831 ◽  
Author(s):  
Rafael Rubio de Casas ◽  
Kathleen Donohue ◽  
D. Lawrence Venable ◽  
Pierre-Olivier Cheptou
Keyword(s):  
Gene Flow ◽  
Changing Environments ◽  
Space And Time ◽  
Flow Through

Pollen-mediated gene flow between paraquat-resistant and susceptible hare barley (Hordeum leporinum)

Weed Science ◽  
2006 ◽  
Vol 54 (4) ◽  
pp. 685-689 ◽  
Author(s):  
Imam Hidayat ◽  
Jeanine Baker ◽  
Christopher Preston
Keyword(s):  
Gene Flow ◽  
The Self ◽  
Weed Species ◽  
Resistance Evolution ◽  
Rapid Accumulation ◽  
Hordeum Leporinum ◽  
Flow Through ◽  
Low Levels ◽  
Susceptible Populations ◽  
Pollen Movement

Pollen movement between individuals can increase the rate of herbicide resistance evolution by spreading resistance alleles within or between populations and by facilitating the rapid accumulation of resistance alleles within individuals. This study investigated the level of pollen-mediated gene flow between paraquat-resistant and paraquat-susceptible populations of the self-pollinated weed species hare barley. The experiment was conducted in both directions, from resistant to susceptible and susceptible to resistant, across 2 yr. To maximize the potential for pollen flow, individual plants were grown in a single pot. The level of gene flow was similar across years and between genotypes. The level of pollen-mediated gene flow ranged from 0.06 to 0.15%. Gene flow from resistant to susceptible plants was confirmed by demonstrating segregation for resistance in the progeny of suspected crosses. This study suggests that pollen-mediated gene flow will occur in this species at frequencies less than 0.16% and could assist the accumulation of resistance alleles within a population. These low levels of gene flow through pollen movement suggest that cross-pollination over larger distances would be unlikely and pollen movement probably does not contribute to gene flow between populations.

scholarly journals Study of Gene Flow Through a Hybrid Zone in the Common Shrew (Sorex Araneus) Using Microsatellites

Hereditas ◽  
2004 ◽  
Vol 125 (2-3) ◽  
pp. 159-168 ◽  
Author(s):  
Nicolas Lugon Moulin ◽  
Andreas Wyttenbach ◽  
Harald Brüunner ◽  
Jérôme Goudet ◽  
Jacques Hausser
Keyword(s):  
Gene Flow ◽  
Hybrid Zone ◽  
Common Shrew ◽  
Sorex Araneus ◽  
Flow Through ◽  
The Common ◽  
Common Shrew Sorex Araneus

scholarly journals Use of A 3 Cytoplasm to Reduce Risk of Gene Flow through Sorghum Pollen

Crop Science ◽  
2003 ◽  
Vol 43 (4) ◽  
pp. 1506-1509 ◽  
Author(s):  
J. F. Pedersen ◽  
D. B. Marx ◽  
D. L. Funnell
Keyword(s):  
Gene Flow ◽  
Flow Through ◽  
Reduce Risk

scholarly journals Pairing dynamics and the origin of species

2011 ◽  
Vol 279 (1731) ◽  
pp. 1085-1092 ◽  
Author(s):  
Oscar Puebla ◽  
Eldredge Bermingham ◽  
Frédéric Guichard
Keyword(s):  
Sexual Selection ◽  
Gene Flow ◽  
Mate Choice ◽  
Assortative Mating ◽  
Evolutionary Biology ◽  
Population Genetic Analysis ◽  
Flow Through ◽  
Individual Based Simulation ◽  
The Stability ◽  
Standing Question

Whether sexual selection alone can drive the evolution of assortative mating in the presence of gene flow is a long-standing question in evolutionary biology. Here, we report a role for pairing dynamics of individuals when mate choice is mutual, which is sufficient for the evolution of assortative mating by sexual selection alone in the presence of gene flow. Through behavioural observation, individual-based simulation and population genetic analysis, we evaluate the pairing dynamics of coral reef fish in the genus Hypoplectrus (Serranidae), and the role these dynamics can play for the evolution of assortative mating. When mate choice is mutual and the stability of mating pairs is critical for reproductive success, the evolution of assortative mating in the presence of gene flow is not only possible, but is also a robust evolutionary outcome.

scholarly journals Origin and Genetic Diversity of Nepalese Indigenous Goats (Capra hircus)

2021 ◽  
Author(s):  
Neena Amatya Gorkhali ◽  
Jiang Lin ◽  
Saroj Sapkota ◽  
Bhoj Raj Pokhrel ◽  
Yue-Hui Ma ◽  
...  
Keyword(s):  
Gene Flow ◽  
Phylogenetic Diversity ◽  
Haplotype Diversity ◽  
Variable Region ◽  
Capra Hircus ◽  
High Haplotype Diversity ◽  
Flow Through ◽  
Indigenous Goats ◽  
Mtdna Diversity ◽  
India And China

Background: A very little study has been conducted on the phylogenetic diversity of Nepalese indigenous goats where four breeds, Khari, Chyangra, Terai and Sinhal, have been identified. Methods: The 625-bp long sequences of the mitochondrial DNA hyper-variable region obtained from 93 goats in this study revealed high haplotype diversity among breeds, which come under four haplogroups (A-D).Result: The study demonstrated a certain level of gene flow among the neighboring goat populations exhibiting no correspondence between the geographic regions of origin and relationships among breeds. The complex mtDNA diversity and structure identified among indigenous Nepalese goats can be explained by gene flow through ancient trading and the current ‘free’ movement of goats across the geographic vicinities in India and China. Furthermore, HapG B showed the southward direction of gene flow which does not cross the Himalayas, whereas HapG B1 revealed the South-West gene flow from the claimed domestication center for HapG B, China, to Nepal.

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