Genome size variation of Lotus peregrinus at evolution canyon I microsite, Lower Nahal Oren, Mt. Carmel, Israel

• Autorzy: Gasmanova N , Lebeda A. , Dolezalova I. , Cohen T. , Pavlicek T. , Fahima T. , Nevo E.
• Języki publikacji: EN

Abstrakty

EN

On the basis of previous studies showing a positive correlation between number of copies of retrotransposons and geographical environment, we hypothesized that different ecogeographical conditions on opposite slopes of Evolution Canyon I could cause intraspecific variation in plant genome size. To test this hypothesis, we chose Lotus peregrinus L. (annual, self-pollinator) as the first candidate because of its biological contrast to the previously studied carob tree (long-lived, cross-pollinator). Absolute nuclear DNA content of 60 genotypes of L. peregrinus was estimated by PI flow cytometry, with tomato (Lycopersicon esculentum cv. Stupicke) as internal reference standard. The mean 2C-value in L. peregrinus was 2.546 pg, ranging from 2.39 pg to 2.71 pg. The mean 2C-value was higher in plants from the south-facing slope (2.549 pg) than from the north-facing slope (2.544 pg), but we were not able to show significant interslope differences in genome size.

Słowa kluczowe

EN

genome size; intraspecific variation; Lotus peregrinus; Evolution Canyon; flow cytometry; nuclear DNA content; species plasticity; Israel

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 2007
• Tom: 49
• Numer: 1
• Opis fizyczny: p.39-46,fig.,ref.

Twórcy

autor

Gasmanova N

• Palacky University in Olomouc, Slechtitelu 11, 783 71 Olomouc-Holice, Czech Republic

autor

Lebeda A.

autor

Dolezalova I.

autor

Cohen T.

autor

Pavlicek T.

autor

Fahima T.

autor

Nevo E.

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