Results 11 to 20 of about 28,232 (129)

Genome-wide data implicate terminal fusion automixis in king cobra facultative parthenogenesis [PDF]

open access: yesScientific Reports, 2021
Facultative parthenogenesis (FP) is widespread in the animal kingdom. In vertebrates it was first described in poultry nearly 70 years ago, and since then reports involving other taxa have increased considerably. In the last two decades, numerous reports
Daren C. Card   +7 more
doaj   +9 more sources

The adaptability of facultative parthenogenesis and ‘multiple embryos per eggcase’ as alternative reproductive strategies in Chondrichthyes [PDF]

open access: yesRoyal Society Open Science
Chondrichthyans (sharks, rays and chimaera) are a fascinating case study through which to examine reproductive biology. While most vertebrate lineages have converged upon either placental viviparity or oviparity, chondrichthyans exhibit unparalleled ...
Joel Harrison Gayford
doaj   +5 more sources

A successful crayfish invader is capable of facultative parthenogenesis: a novel reproductive mode in decapod crustaceans. [PDF]

open access: yesPLoS ONE, 2011
Biological invasions are impacting biota worldwide, and explaining why some taxa tend to become invasive is of major scientific interest. North American crayfish species, particularly of the family Cambaridae, are prominent invaders in freshwaters ...
Miloš Buřič   +4 more
doaj   +5 more sources

Facultative parthenogenesis in the Ryukyu drywood termite Neotermes koshunensis [PDF]

open access: yesScientific Reports, 2016
AbstractParthenogenesis is a relatively rare reproductive mode in nature compared to sex. In social insects, the evolution of parthenogenesis has a notable impact on their life histories. Some termites with parthenogenetic ability produce numerous non-dispersing supplementary queens asexually, whereas other castes are produced via sexual reproduction ...
Kobayashi, Kazuya, Miyaguni, Yasushi
europepmc   +5 more sources

Venom Complexity in a Pitviper Produced by Facultative Parthenogenesis [PDF]

open access: yesScientific Reports, 2018
AbstractFacultative parthenogenesis (FP) is asexual reproduction in plant and animal species that would otherwise reproduce sexually. This process in vertebrates typically results from automictic development (likely terminal fusion) and is phylogenetically widespread.
J. J. Calvete   +11 more
europepmc   +7 more sources

Corrigendum to: Facultative Parthenogenesis in California Condors [PDF]

open access: yesJournal of Heredity, 2021
This is a correction to: Journal of Heredity, Volume 112, Issue 7, October 2021, Pages 569–574, https://doi.org/10.1093/jhered/esab052\ud \ud In the originally published version of this article there were errors within an author’s affiliations. The author names for Conservation Genetics, Beckman Center for Conservation Research should read: “Ryder ...
Ryder, Oliver A.   +11 more
openaire   +3 more sources

Facultative symbiont infections affect aphid reproduction.

open access: yesPLoS ONE, 2011
Some bacterial symbionts alter their hosts reproduction through various mechanisms that enhance their transmission in the host population. In addition to its obligatory symbiont Buchnera aphidicola, the pea aphid Acyrthosiphon pisum harbors several ...
Jean-Christophe Simon   +7 more
doaj   +6 more sources

Facultative parthenogenesis in a critically endangered wild vertebrate [PDF]

open access: yesCurrent Biology, 2015
Facultative parthenogenesis - the ability of sexually reproducing species to sometimes produce offspring asexually - is known from a wide range of ordinarily sexually reproducing vertebrates in captivity, including some birds, reptiles and sharks [1-3].
Fields, Andrew T.   +3 more
openaire   +4 more sources

Mating-Induced Trade-Offs upon Egg Production versus Fertilization and Offspring’s Survival in a Sawfly with Facultative Parthenogenesis [PDF]

open access: yesInsects, 2021
Investigation of mating-induced trade-offs between reproduction and survival is conducive to provide evolutionary insights into reproductive strategies and aging.
Hong Yu   +4 more
doaj   +2 more sources

Recurrent Alternate Parthenogenesis in the Common Smooth-Hound Shark (Mustelus mustelus) with Additional Cases and Further Evidence for a Putative Adaptive Reproductive Strategy [PDF]

open access: yesAnimals
A new case of parthenogenesis in the common smooth-hound shark (Mustelus mustelus), recorded at the Cala Gonone Aquarium (central-eastern Sardinia, Italy) in April 2024, is described as an extension of previous observations.
Simona Sciuto   +11 more
doaj   +2 more sources

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