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Where the ends meet: An overview of sex determination in Atheriniform fishes
(Karger, 2021-09)
Atheriniform fishes have recently emerged as attractive models for evolutionary, ecological, and molecular/physiological studies on sex determination. Many species in this group have marked temperature-dependent sex ...
Sex-specific costs of rearing a nestling and its implications in the brood sex ratio of Magellanic penguins
(Springer, 2021-08)
In birds, possible explanations for a bias in brood sex ratio include differential cost of rearing nestlings of different sexes, and different parental fitness returns related to offspring sex. We studied brood sex ratio ...
Sex determination in neotropical fish: implications ranging from aquaculture technology to ecological assessment
(Academic Press Inc Elsevier Science, 2019-03)
The high biodiversity of fish in the Neotropical region contrasts with scarce or biased studies on the mechanisms involved in the sex determination in members of this fauna. In this review, we attempted to compile the ...
Sex ratio is variable and increasingly male biased at two colonies of Magellanic Penguins
(Ecological Society of America. John Wiley & Sons Inc, 2020-03)
Sex ratios are commonly skewed and variable in wild populations, but few studies track temporal trends in this demographic parameter. We examined variation in the operational sex ratio at two protected and declining breeding ...
Sex differences in body fluid homeostasis: Sex chromosome complement influences on bradycardic baroreflex response and sodium depletion induced neural activity
(Pergamon-Elsevier Science Ltd, 2015-12)
Clinical and basic findings indicate that angiotensin II (ANG II) differentially modulates hydroelectrolyte and cardiovascular responses in male and female. But are only the activational and organizational hormonal effects ...
Complementary Sex Determination in the Parasitic Wasp Diachasmimorpha longicaudata
(Public Library of Science, 2015-03-19)
We studied the sex determination in Diachasmimorpha longicaudata, a parasitoid braconid wasp widely used as biological control agent of fruit pest tephritid flies. We tested the complementary sex determination hypothesis ...
Blow flies, synanthropy and sex ratio: are the deviations in the sex proportion linked to human transformation of landscapes?
(Elsevier Science, 2021-07)
In most species, several factors like time of emergence, age at maturation, reproductive life span, survival of males and females, mating behavior, differential resource use, and migration patterns may affect the adult sex ...
Sex Chromosome Turnover in Moths of the Diverse Superfamily Gelechioidea
(Oxford University Press, 2019-04-08)
Sex chromosomes play a central role in genetics of speciation and their turnover was suggested to promote divergence. Invertebrates, sex chromosome–autosome fusions resulting in neo-sex chromosomes occur frequently in male ...
The duplicated Y-specific amhy gene is conserved and linked to maleness in silversides of the genus Odontesthes
(Multidisciplinary Digital Publishing Institute AG, 2019-09-05)
Sex-determining genes have been successively isolated in several teleosts. In Odontesthes hatcheri and O. bonariensis, the amhy gene has been identified as a master sex-determining gene. However, whether this gene is ...
Determining Sex of Magellanic Penguins Using Molecular Procedures and Discriminant Functions
(Waterbird Society, 2002)