Results 141 to 150 of about 188,115 (331)

Identification of the meiotic toolkit in diatoms and exploration of meiosis-specific SPO11 and RAD51 homologs in the sexual species Pseudo-nitzschia multistriata and Seminavis robusta

BMC Genomics, 2015
Sexual reproduction is an obligate phase in the life cycle of most eukaryotes. Meiosis varies among organisms, which is reflected by the variability of the gene set associated to the process.
Shrikant M. Patil, Sara Moeys, P. von Dassow, Marie J. J. Huysman, Daniel Mapleson, L. de Veylder, R. Sanges, W. Vyverman, M. Montresor, M. Ferrante   +9 more
semanticscholar   +1 more source

Meiotic cellular rejuvenation is coupled to nuclear remodeling in budding yeast. [PDF]

, 2019
Production of healthy gametes in meiosis relies on the quality control and proper distribution of both nuclear and cytoplasmic contents. Meiotic differentiation naturally eliminates age-induced cellular damage by an unknown mechanism.
Chetlapalli, Keerthana, Goodman, Jay S, Jorgens, Danielle M, King, Grant A, McDonald, Kent L, Schick, Jennifer G, Ünal, Elçin   +6 more
core   +1 more source

Speciation with gene flow

PLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long, Xu Zhang, Yue Yu, Gregory L. Owens, Diana J. Rennison, Clarisse Palma‐Silva, Daniel Ortiz‐Barrientos, Loren H. Rieseberg   +7 more
wiley   +1 more source

Plate tectonics in the microscopy realm: Molecular insights into morphological variability of Peridinium willei (Peridiniales, Dinophyceae)

TAXON, EarlyView.
Abstract Freshwater Peridinium willei (Peridiniaceae) is globally distributed, but reports linking its morphologies with DNA sequence data remain scarce. The taxonomy of the species, and its infraspecific taxa, remain ambiguous due to the lack of DNA sequence data for the original and type material.
Arwin Ahmadpur, Dana C. Eisenhöld, Eva Facher, Marc Gottschling, Selin Gürkan, Borislava P. Hristova, Johanna Knechtel, Paula M.E. Lehner, Hemingway Nyoka, Paweł M. Owsianny, Chiara Peters, Hélène Reich, Eva Reicheneder, Alexander Rockinger, Cecilia Teodora Satta, Marina Stark, F. Sara Uslu, Anže Žerdoner Čalasan   +17 more
wiley   +1 more source

Implications of uniparental disomy in forensic kinship testing: A case study of paternal isodisomy on chromosome 3

Journal of Forensic Sciences, EarlyView.
Abstract In typical inheritance, a child receives one chromosome of each pair from each parent. In rare cases, however, both chromosomes may be inherited from the same parent, a phenomenon known as uniparental disomy (UPD). In forensic kinship testing, UPD can lead to Mendelian inconsistencies between parent and child, increasing the risk of ...
Hannah Fontanil, Sharlize Pedroza Matute, Thomas Haizel, Sasitaran Iyavoo   +3 more
wiley   +1 more source

Genetic engineering for SIT application: a fruit fly‐focused review

Insect Science, EarlyView.
Abstract Sterile insect technique (SIT) has become a key component of efficient pest control. Fruit fly pests from the Drosophilidae and Tephritidae families pose a substantial and overwhelmingly increasing threat to the agricultural industry, aggravated by climate change and globalization among other contributors.
Serafima Davydova, Danheng Yu, Angela Meccariello   +2 more
wiley   +1 more source

Functional validation of a white pupae minimal gene construct in Ceratitis capitata (Diptera: Tephritidae)

Insect Science, EarlyView.
An intronless version of the white pupae (wp) gene was engineered to restore the wild type brown puparium color in white pupae phenotype mutants of the Mediterranean fruit fly, Ceratitis capitata. Functionality of the minimal gene version (mini‐wp) was verified in vivo, as one copy of mini‐wp successfully restored the wild type phenotype in homozygous ...
Lucas Henrique Figueiredo Prates, Roswitha A. Aumann, Inga Sievers, Tanja Rehling, Marc F. Schetelig   +4 more
wiley   +1 more source

Mek1 coordinates meiotic progression with DNA break repair by directly phosphorylating and inhibiting the yeast pachytene exit regulator Ndt80.

PLoS Genetics, 2018
Meiotic recombination plays a critical role in sexual reproduction by creating crossovers between homologous chromosomes. These crossovers, along with sister chromatid cohesion, connect homologs to enable proper segregation at Meiosis I. Recombination is
Xiangyu Chen, Robert Gaglione, Trevor Leong, Lauren Bednor, Teresa de Los Santos, Ed Luk, Michael Airola, Nancy M Hollingsworth   +7 more
doaj   +1 more source

Molecular mechanisms of sex determination in Lepidoptera: current status and perspectives

Insect Science, EarlyView.
The genetic basis of sex determination in Lepidoptera was discovered in 2014 in the silkworm Bombyx mori. In this model species, the W chromosome‐derived small piRNA called Fem piRNA downregulates the expression of a Z‐linked gene, Masculinizer (Masc), which leads to the default female‐specific splicing of the doublesex gene (dsxF) and thus to female ...
František Marec, Atsuo Yoshido, Arjen E. van′t Hof   +2 more
wiley   +1 more source

Qualitative rather than quantitative phosphoregulation shapes the end of meiosis I in budding yeast

The EMBO Journal
Exit from mitosis is brought about by dramatic changes in the phosphoproteome landscape. A drop in Cyclin-dependent kinase (Cdk) activity, the master regulatory kinase, and activation of counteracting phosphatases such as Cdc14 in budding yeast, results ...
Dunja Celebic, Irem Polat, Véronique Legros, Guillaume Chevreux, Katja Wassmann, Sandra A Touati   +5 more
doaj   +1 more source