Results 31 to 40 of about 20,381,326 (383)

Alien introgressions and chromosomal rearrangements do not affect the activity of gliadin-coding genes in hybrid lines of Triticum aestivum L. × Aegilops columnaris Zhuk

Вавиловский журнал генетики и селекции, 2018
Using chromosome C-banding and electrophoresis of grain storage proteins, gliadins, 17 Triticum aestivumAegilops columnaris lines with substitutions of chromosomes of homoeologous groups 1 and 6 were examined.
A. Yu. Novoselskaya-Dragovich, A. A. Yankovskaya, E. D. Badaeva   +2 more
doaj   +1 more source

The significance of cytogenetics for the study of karyotype evolution and taxonomy of water bugs (Heteroptera, Belostomatidae) native to Argentina [PDF]

, 2013
Male meiosis behaviour and heterochromatin characterization of three big water bug species were studied. Belostoma dentatum (Mayr, 1863), B. elongatum Montandon, 1908 and B. gestroi Montandon, 1903 possess 2n = 26 + X1X2Y (male).
Bressa, Maria Jose, Chirino, Monica Gabriela, Papeschi, Alba Graciela   +2 more
core   +2 more sources

Banded karyotype of Nelore cattle (Bos taurus indicus Linnaeus, 1758) [PDF]

Comparative Cytogenetics, 2019
Chromosome banding techniques were applied and standardized to obtain karyotype characteristics for the first time in Brazil of Nelore cattle – Bos taurus indicus Linnaeus, 1758 – (bovine subspecies most prominent in Brazilian livestock).
Andréia Pires Amancio, Sabrina Sara Moreira Duarte, Rafael Carneiro Silvafael, Alex Silva da Cruz, Danilo Conrado Silva, Claudio Carlos da Silva, Aparecido Divino da Cruz   +6 more
doaj   +3 more sources

Multiple supernumerary chromosomes in the pseudogamous parthenogenetic flatworm Polycelis nigra:lineage markers or remnants of genetic leakage? [PDF]

, 1997
Polycelis nigra is a free-living simultaneous hermaphroditic flatworm that has amphimictic and pseudogamous parthenogenetic biotypes. Sexual individuals are always diploid (2n = 16) and pseudogamous parthenogens are polyploid (usually triploid).
Beukeboom, LW, Pijnacker, LP, Sharbel, TF, Sharbel, Timothy F.   +3 more
core   +2 more sources

Chromosome complement and meiosis in three species of the Neotropical bug genus Antiteuchus (Heteroptera, Pentatomidae, Discocephalinae) [PDF]

, 2006
Orcein staining of spermatocytes was used to study the meiotic behavior of holocentric chromosomes in three member of the genus Antiteuchus (commonly known as stink bugs). We describe and illustrate the karyotype of Antiteuchus mixtus, A. sepulcralis and
de Souza, Maria José, Lanzone, Cecilia
core   +2 more sources

Banded karyotype of the Konya wild sheep (Ovis orientalis anatolica Valenciennes, 1856) from Turkey

Comparative Cytogenetics, 2011
The karyotype, C-banding, and nucleoar organizer regions (NORs) of eight specimens of Konya wild sheep from Turkey were examined. The complement included six large metacentric autosomes, 46 acrocentric autosomes of decreasing size, a medium-sized ...
Jan Zima, Atilla Arslan
doaj   +1 more source

Evolution of the S-Genomes in Triticum-Aegilops Alliance: Evidences From Chromosome Analysis

Frontiers in Plant Science, 2018
Five diploid Aegilops species of the Sitopsis section: Ae. speltoides, Ae. longissima, Ae. sharonensis, Ae. searsii, and Ae. bicornis, two tetraploid species Ae. peregrina (= Ae. variabilis) and Ae. kotschyi (Aegilops section) and hexaploid Ae. vavilovii
Alevtina S. Ruban, Ekaterina D. Badaeva, Ekaterina D. Badaeva   +2 more
doaj   +1 more source

Heterochromatin (C bands) in bovine chromosomes [PDF]

Hereditas, 2009
Metaphase chromosomes from cattle leukocytes were stained for constitutive heterochromatin. It was possible to demonstrate heterochromatin in the centromere regions of the autosomes but not of the X chromosome. The short arm and the centromere region of the Y chromosome were more faintly stained than the centromere regions of the autosomes.
openaire   +2 more sources

Molecular cytogenetics (FISH, GISH) of Coccinia grandis: A ca. 3 myr-old species of Cucurbitaceae with the largest Y/autosome divergence in flowering plants [PDF]

, 2013
The independent evolution of heteromorphic sex chromosomes in 19 species from 4 families of flowering plants permits studying X/Y divergence after the initial recombination suppression.
A. Sousa, Agarwal PK, Ali HB, Armstrong SJ, Bachtrog D, Bergero R, Bergero R, Bhaduri P, Bombosch A, Borchert T, Błocka-Wandas M, Cermak T, Chakravorti AK, Charlesworth B, Chattopadhyay D, Chibalina MV, Costich DE, Cuñado N, Divashuk MG, Filatov DA, Galbraith DW, Grabowska-Joachimiak A, Grabowska-Joachimiak A, Greilhuber J, Guerra M, Guha A, Hizume M, Hobza R, Holstein N, Honys D, Huang S, Hughes JF, Ijdo JW, J. Fuchs, Jamilena M, Karlov GI, Kejnovsky E, Kumar LS, Kumar LS, Kurita M, Lan T, Lengerova M, Liu Z, Marais GA, Mariotti B, Mariotti B, Ming R, Moore RC, Navajas-Pérez R, Nicolas M, Rautenberg A, Renny-Byfield S, Roy RP, Ruiz Rejón C, S.S. Renner, Sakamoto K, Schaefer H, Schmidt T, Schwarzacher T, Shibata F, Shibata F, Siroky J, Skaletsky H, Spigler RB, Spigler RB, Uchida W, Yamato KT, Yu Q   +67 more
core   +2 more sources

The anti‐CRISPR protein AcrIE8.1 inhibits the type I‐E CRISPR‐Cas system by directly binding to the Cascade subunit Cas11

FEBS Letters, EarlyView.
In this study, we present the structure of AcrIE8.1, a previously uncharacterized anti‐CRISPR protein that inhibits the type I‐E CRISPR‐Cas system. Through a combination of structural and biochemical analyses, we demonstrate that AcrIE8.1 directly binds to the Cas11 subunit of the Cascade complex to inhibit the CRISPR‐Cas system.
Young Woo Kang, Hyun Ho Park
wiley   +1 more source