Moscow University
Anthropology
Bulletin
Anthropology
Bulletin
Kursk Institute of Social Education, branch of the Russian State Social University
Medvedev I.N., e-mail: zsyu@46.ru; Amelina I. V., e-mail: zsyu@46.ru
The purpose – to study the influence of transcriptional activity of nucleus organizing regions (NOR) of chromosomes on morphometric indicators in aboriginals of the Kursk area. 215 volunteers from the Kursk area (150 women and 65 men) were surveyed. The activity of NOR of 10 acrocentric chromosomes (10AgNOR) was evaluated by Howell W.M. [1977]. Body length and weight, shoulder and pelvic breadth, arm, hips and waist circumferences were measured. Student’s and Fisher criteria were used. Functional activity of NOR of chromosomes among aboriginals of the Kursk area in general equals 19,46 ± 0.13 c.u.: D-NOR reaches 11.68 ± 0.09 c.u., G-NOR – 7.78 ± 0.07 c.u. In the general structure of the studied sample, the group of individuals with low quantity 10AgNOR (15-17.99 c.u.) made up 29%; with the average quantity (18–20.49 у.е) – 41 %; with high quantity (> 20.5 c.u.) – 30%, from the total number of surveyed individuals. Somatometric indicators significantly increased parallel to the increase of 10AgNOR. The degree of connections between morphometric characteristics and the level of NOR functioning was stronger in women. It is possible to consider that individuals with average transcriptional activity of NOR (18.5–20.49 c.u.) possess more harmonic development. Thus, women of this group have most slender waist, average values of the waist/hip ratio, maximal values of arm circumference, pelvic and shoulder breadth, which probably suggests success in child-bearing and nurture. In men with average quantity of 10АgNOR average values of weight, body mass index, waist, hips circumferences, are noted together with the maximal values of width shoulder width, which can be considered as the most adaptive morphometric traits defining the greatest possibilities for survival. Thus, specific features of morphometric traits in human populations in many respects are caused by distinctions in the activity of 10Аg NOR in their cells.
nucleus organizing regions (NOR), Ag-polymorphism, antropometric traits, aboriginals of the Kursk area
Цит.: Medvedev I.N., Amelina I.V. Expressiveness of morphometric traits and transcriptional activity of nucleus organizing regions in inhabitants of the Кursk area // Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta. Seria XXIII. Antropologia), 2012; 1/2012; с. 119-123
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