Results 41 to 50 of about 12,452,954 (349)
Sociobiology, 2022 Blepharidatta is a rare Neotropical ant genus in the Attini tribe of the subfamily Myrmicinae. It has only four valid species and among them Blepharidatta delabiei was recently described and there is little knowledge on its biology.
Laís L. Lopes +3 more
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Amplification of the androgen receptor may not explain the development of androgen-independent prostate cancer [PDF]
, 2001 Objective To examine the role of androgen receptor (AR) gene amplification and aneusomy of the X chromosome in the development of antiandrogen-resistant prostate cancer.
Bartlett, J.M.S. +5 more
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Ornithogalum insulare (Hyacinthaceae): A new species from the Cretan area (S. Aegean, Greece) [PDF]
Botanica Serbica, 2018 Ornithogalum insulare collected from three offshore islets of Crete is described as a species new to science. It is illustrated and compared with other related species of the genus. Information regarding its chromosome number (2n = 44) and karyotype is
Zacharias Kypriotakis +2 more
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Chromosome Number Variation in Iranian Populations of Acorus calamus [PDF]
Journal of Genetic Resources, 2019 Different ploidy levels, diploid (2n=2x=24) to hexaploid (2n=6x=72) have been reported for Acorus calamus, a perennial medicinal plant. According to available information, there is a significant relationship between the ploidy level and essential oil ...
Abbas Gholipour
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A family case of fertile human 45,X,psu dic(15;Y) males [PDF]
, 2006 We report on a familial case including four male probands from three generations with a 45,X,psu dic(15;Y)(p11.2;q12) karyotype. 45,X is usually associated with a female phenotype and only rarely with maleness, due to translocation of small Y chromosomal
Andersson M +29 more
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Number of nucleoli in diploids and polyploids of the genus Achillea L.
Acta Societatis Botanicorum Poloniae, 2014 Nucleoli were counted in 9228 interphase nuclei of the apical root meristem of 40 Achillea L. taxa (di-, tetra-. hexa- and octoploids). It was established that the distribution of nucleoli number in an interphase nucleus can be used as a rough practical ...
Janina Dąbrowska
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Cyto-systematical study of the genus Senna Mill. in diverse geographical locations of Uttar Pradesh
Electronic Journal of Plant Breeding, 2021 Senna Mill. is one of the most typical genus of caesalpiniodeae, with wide geographical distribution and diversification. The research work was planned with an objective of taxonomical characterization and assessment of the meiotic behaviour of wild ...
Girjesh Kumar, Kaushal Tripathi* and Moni Mishra
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Multicolour interphase cytogenetics: 24 chromosome probes, 6 colours, 4 layers [PDF]
, 2011 From the late 1980s onwards, the use of DNA probes to visualise sequences on individual chromosomes (fluorescent in-situ hybridisation - FISH) revolutionised the study of cytogenetics.
A.R. Thornhill +61 more
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CHROMOSOME SET AND SOME PROBLEMS OF CANIS AUREUS IN CAUCASICA
Юг России: экология, развитие, 2014 For the first time in the present resort chromosome set and some problems of Canis aureus ecology is described taking into account the structure of hail high altitude zone of mountain ecosystem.
R. I. Dzuev +2 more
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CYTOGENETICS OF CHILEAN LAND PLANTS (EMBRYOPHYTA): STATE-OF-THE-ART AND PROSPECTS [PDF]
BAG. Journal of Basic and Applied Genetics, 2022 Chile is located in the south-western region of South America along the Pacific Ocean and contributes to the worldwide flora with ca. 6,120 species of Bryophyta, Pteridophyta, Pinophyta, Gnetophyta, and Magnoliophyta (1.9% of worldwide total species ...
Jara Seguel P., Urrutia Estrada J.
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