Results 111 to 120 of about 17,124 (228)
Crop Breeding and Applied Biotechnology, 2007 Meiotic abnormalities in potato hamper sexual recombination, due to their influence on pollen production and viability rate. In this study we evaluated pollen viability and meiosis of three clones of Solanum commersonii commersonii Dun.
Lisete Chamma Davide +4 more
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Chromosomal abnormalities during microsporogenesis in two varieties of cassava Manihot esculenta Crantz [PDF]
, 2015 The cassava crop Manihot esculenta crantz is the third resource more important to provide calories to the population in the marginal tropical countries of Africa, Asia and South America.
Moreno O, Pablo E
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Plant Biology, EarlyView.Cytogenetic quantification of KNL1‐labelled kinetochores in Ornithogalum kochii reveals a significant positive scaling relationship between chromosome size and kinetochore size, demonstrating that chromosome–kinetochore scaling operates even across moderate intra‐karyotype size variation.
K. Panda, M. Hroneš, F. Zedek
wiley +1 more source
Veterinary and Comparative Oncology, EarlyView.ABSTRACT Equine melanocytic neoplasms (EMN) are aggressive tumours characterised by high metastatic potential and limited therapeutic options available. However, the molecular mechanisms underlying their progression remain poorly understood. This study therefore presents the integrative phosphoproteomic analysis of EMN tissue, with the aim of ...
Paitoon Srimontri +13 more
wiley +1 more source
Meiotic observation on ‘Bartzella’, an intersectional hybrid of Paeonia
Xibei zhiwu xuebao[Objective] Most intersectional hybrids in Paeonia are triploids and generally sterile, producing a small number of hybrid offspring. Observing the meiotic chromosome behaviors of ‘Bartzella’, an intersectional hybrid with high ornamental value and ...
RONG Qi +5 more
doaj +1 more source
High temperature-induced production of unreduced pollen and its cytological effects in Populus
Scientific Reports, 2017 Temperature change is of potential to trigger the formation of unreduced gametes. In this study, we showed that short periods of high temperature treatment can induce the production of 2n pollen in Populus pseudo-simonii Kitag.
Jun Wang +3 more
doaj +1 more source
Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight
Experimental Physiology, EarlyView.Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley +1 more source
, 2013 Here we report the consequences of telomere erosion in Arabidopsis thaliana, studied by examining seed and pollen production and the course of male meiosis through the last five generations (G5–G9) of telomerase-deficient Arabidopsis mutants.
Puizina, J., Samanic, I.
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The Journal of Physiology, EarlyView.Abstract figure legend Mitochondria are highly dynamic organelles that continuously remodel their architecture through coordinated cycles of fusion and fission. This review examines the four key GTPases that orchestrate mitochondrial dynamics in mammals: MFN1, MFN2, OPA1, and DRP1.
Rémi Chaney +4 more
wiley +1 more source
Assessment on cytotoxic and mutagenic potency of Gamma rays and EMS in Vigna mungo L. Hepper
Biotecnología Vegetal, 2019 To determine the mutagen agent potency and deduce an optimum dose, cytological analysis for induced chromosomal aberrations is considered as an accurate index in mutation breeding.
Sonu Goyal +4 more
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