Results 71 to 80 of about 3,094 (169)
Comprehensive Physiology, Volume 16, Issue 1, February 2026.This study investigates the impact of fetal porcine reproductive and respiratory virus (PRRSV) infection on the Hypothalamic–Pituitary‐Thyroid/Adrenal axes. We report that infection‐induced nonthyroidal illness syndrome is associated with multitissue dysregulation of key genes involved in the control of endocrine function, providing insights into ...
Alyssa A. Smith +4 more
wiley +1 more source
Loss of E3 ligase HvST1 function substantially increases distal crossover frequency
New Phytologist, Volume 249, Issue 3, Page 1325-1341, February 2026.Summary This study characterizes the function of a grass‐specific E3 ubiquitin ligase, HvST1, in regulating synapsis and crossover (CO) formation during meiosis in barley (Hordeum vulgare). In large‐genome cereals, COs are predominantly restricted to distal chromosomal regions, limiting genetic recombination and breeding flexibility.
Jamie Neil Orr +8 more
wiley +1 more source
Aging predisposes oocytes to meiotic nondisjunction when the cohesin subunit SMC1 is reduced.
PLoS Genetics, 2008 In humans, meiotic chromosome segregation errors increase dramatically as women age, but the molecular defects responsible are largely unknown. Cohesion along the arms of meiotic sister chromatids provides an evolutionarily conserved mechanism to keep ...
Vijayalakshmi V Subramanian +1 more
doaj +1 more source
Comparative Cytogenetics, 2013 For studying meiosis in males, large samples of Cacopsylla myrtilli (Wagner, 1947) (Hemiptera, Psyllidae) were collected in Norway, Sweden, Finland and northwest Russia.
Christina Nokkala +3 more
doaj +1 more source
eLife, 2015 During meiosis homologous chromosomes undergo crossover recombination. Sequence differences between homologs can locally inhibit crossovers. Despite this, nucleotide diversity and population-scaled recombination are positively correlated in eukaryote ...
Piotr A Ziolkowski +12 more
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Meiotic studies of some South African cultivars of Lantana camara (Verbenaceae)
Bothalia: African Biodiversity & Conservation, 1982 Lantana camara L. is a polyploid species with a basic chromosome number of 11 (x = l l ) . Chromosome association in 39 cultivars indicated the occurrence of univalents to heptavalents with bivalents predominating.
J. J. Spies, C. H. Stirton
doaj +1 more source
Acta Botânica Brasílica, 2012 Pomegranate (Punica granatum L.) is an important horticultural plant with several cultivated forms planted in different regions of Iran. Due to its economic importance, studies have been carried out to illustrate the genetic diversity at the chromosomal ...
Masoud Sheidai +4 more
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INTERGENOMIC CHROMOSOME PAIRING IN ALLOHAPLOID HYBRIDS OF GENUS SOLANUM
Вавиловский журнал генетики и селекции, 2015 Intergenomic chromosome pairing was analyzed in unique allohaploid hybrids, which had been produced through a process of somatic hybridization followed by a haploidization procedure (in vitro androgenesis).
T. A. Gavrilenko +4 more
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Chromosome segregation in plant meiosis
Frontiers in Plant Science, 2014 Faithful chromosome segregation in meiosis is essential for ploidy stability over sexual life cycles. In plants, defective chromosome segregation caused by gene mutations or other factors leads to the formation of unbalanced or unreduced gametes creating
Linda eZamariola +4 more
doaj +1 more source
Вавиловский журнал генетики и селекции, 2015 Two new spontaneous mutations of the vegetable pepper C. annuum var. annuum have been identified in the 5-th insolation zone in a greenhouse. Tentative cytologic and genetic characterization shows that both were dominant and were controlled by two ...
O. Yu. Timin +3 more
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