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Kirk D. — Volvox: A Search for the Molecular and Genetic Origins of Multicellularity and Cellular Differentiation
Kirk D. — Volvox: A Search for the Molecular and Genetic Origins of Multicellularity and Cellular Differentiation

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Название: Volvox: A Search for the Molecular and Genetic Origins of Multicellularity and Cellular Differentiation

Автор: Kirk D.

Аннотация:

The central thesis of this book is that Volvox and its unicellular and colonial relatives provide a wholly unrivaled opportunity to explore the proximate and ultimate causes underlying the evolution from unicellular ancestors of multicellular organisms with fully differentiated cell types. A major portion of the book is devoted to reviewing what is known about the genetic, cellular and molecular basis of development in the most extensively studied species of Volvox: V. cateri, which exhibits a complete division of labor between mortal somatic cells and immortal germ cells. However, this topic has been put in context by first considering the ecological conditions and cytological preconditions that appear to have fostered the evolution of organisms of progressively increasing size and with progressively increasing tendency to produce terminally differentiated somatic cells. The book concludes by raising the question of whether the germ-soma dichotomy may have evolved by similar or different genetic pathways in different species of Volvox.


Язык: en

Рубрика: Разное/

Статус предметного указателя: Неизвестно

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Год издания: 1998

Количество страниц: 400

Добавлена в каталог: 05.05.2018

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