基因組大小

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基因組大小(英語:Genome size)是指一個基因組中所擁有的DNA含量,一般以重量計算,單位通常是皮克(10-12),寫成pg;有時也用道耳頓;或是以核苷酸鹼基對的數量表示,單位為百萬計,寫成Mb或Mbp。1pg等於978Mb。

在生物世界有一個現象,就是生物的複雜度並不與基因組大小有顯著相關,此難題被稱為C值迷(C-value enigma)或C值悖論(C-value paradox)。

文獻[编辑]

  • Bennett, M.D. and I.J. Leitch. 2005. Genome size evolution in plants. In The Evolution of the Genome (ed. T.R. Gregory), pp. 89-162. Elsevier, San Diego.
  • Doležel, J., J. Bartoš, H. Voglmayr, and J. Greilhuber. 2003. Nuclear DNA content and genome size of trout and human. Cytometry 51A: 127-128.
  • Gregory, T.R. 2005. Genome size evolution in animals. In The Evolution of the Genome (ed. T.R. Gregory), pp. 3-87. Elsevier, San Diego.
  • Greilhuber, J., J. Doležel, M. Lysák, and M.D. Bennett. 2005. The origin, evolution and proposed stabilization of the terms 'genome size' and 'C-value' to describe nuclear DNA contents. Annals of Botany 95: 255-260.
  • Hardie, D.C., T.R. Gregory, and P.D.N. Hebert. 2002. From pixels to picograms: a beginners' guide to genome quantification by Feulgen image analysis densitometry. Journal of Histochemistry and Cytochemistry 50: 735-749.

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