Results 31 to 40 of about 35,869 (203)
The dynamics of replication licensing in live Caenorhabditis elegans embryos [PDF]
, 2012 Accurate DNA replication requires proper regulation of replication licensing, which entails loading MCM-2-7 onto replication origins. In this paper, we provide the first comprehensive view of replication licensing in vivo, using video microscopy of ...
Anton Gartner +56 more
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Meiotic behavior and fertility of Capsicum interspecific hybrids [PDF]
Horticultura Brasileira, 2020 ABSTRACT This study was performed to evaluate the meiotic behavior and fertility of four hybrids obtained from the crossing of Capsicum baccatum and its botanical forms with Capsicum chinense and Capsicum frutescens. We aimed to identify the causes of the low fertility in interspecific hybrids involving species from different gene pools of Capsicum ...
Sara I de Oliveira +4 more
openaire +3 more sources
Cytogenetics of Hypericum caprifoliatum Cham. & Schltdl. (Clusiaceae) populations and other species of the genus [PDF]
Crop Breeding and Applied Biotechnology, 2008 Chromosome numbers and meiotic behavior are presented for the first time for Hypericum caprifoliatum(2n=48), H. cf carinatum (2n=48) and H. polyanthemum (2n= 32) and confirmed the H. perforatum (2n=32) number.Chromosomes are very small (ca.
Danielle Almeida +3 more
doaj
Genetics and Molecular Biology, 2005 Somaclonal variation in plants regenerated by organogenesis from long-term cultured calluses of two diploid staminate genotypes of Asparagus officinalis cv.
Ana Clara Pontaroli, Elsa Lucila Camadro
doaj +1 more source
UBR2 of the N-end rule pathway is required for chromosome stability via histone ubiquitylation in spermatocytes and somatic cells [PDF]
, 2012 The N-end rule pathway is a proteolytic system in which its recognition components (N-recognins) recognize destabilizing N-terminal residues of short-lived proteins as an essential element of specific degrons, called N-degrons.
An, JY +12 more
core +1 more source
Brazilian Archives of Biology and Technology, 2008 The Passifloraceae is represented by species of tropical and subtropical origin. The Passiflora is the richest genus with approximately 450 species, 200 of them being native to Brazil. Recent karyological studies have reported the basic chromosome number
Margarete Magalhães Souza +2 more
doaj +1 more source
Surviving a Genome Collision: Genomic Signatures of Allopolyploidization in the Recent Crop Species [PDF]
, 2017 Polyploidization has played a major role in crop plant evolution, leading to advantageous traits that have been selected by humans. Here, we describe restructuring patterns in the genome of Brassica napus L., a recent allopolyploid species.
Chalhoub, Boulos +2 more
core +1 more source
Scientia Agricola, 2013 Triticale (X Triticosecale Wittmack) is a good cereal for production of flour and feed. A segregating population of triticale was developed from a male-sterile (MS) plant. To determine whether this new source of male sterility in triticale is appropriate
Divanilde Guerra +2 more
doaj +1 more source
A sex-ratio meiotic drive system in Drosophila simulans. II: an X-linked distorter. [PDF]
PLoS Biology, 2007 The evolution of heteromorphic sex chromosomes creates a genetic condition favoring the invasion of sex-ratio meiotic drive elements, resulting in the biased transmission of one sex chromosome over the other, in violation of Mendel's first law.
Yun Tao +5 more
doaj +1 more source
Meiotic DSB patterning: A multifaceted process [PDF]
, 2016 Meiosis is a specialized two-step cell division responsible for genome haploidization and the generation of genetic diversity during gametogenesis. An integral and distinctive feature of the meiotic program is the evolutionarily conserved initiation of ...
Barlow C +7 more
core +1 more source