Social Evolution: Ant Eggs Lacking Totipotency
نویسندگان
چکیده
منابع مشابه
Social Evolution: Ant Eggs Lacking Totipotency
Caste plasticity is a hallmark of social insects. However, maternal effects that limit the caste of eggs may be more widespread than previously appreciated, and can have some odd consequences.
متن کاملSocial Evolution: Pathways to Ant Unicoloniality
Unicolonial ant species live in interlinked populations known as super-colonies, where workers and queens move freely. New research suggests that low intra-specific resource competition leads to an absence of inter-colony aggression.
متن کاملEvaluating the role of reproductive constraints in ant social evolution.
The reproductive division of labour is a key feature of eusociality in ants, where queen and worker castes show dramatic differences in the development of their reproductive organs. To understand the developmental and genetic basis underlying this division of labour, we performed a molecular analysis of ovary function and germ cell development in queens and workers. We show that the processes o...
متن کاملRestoring totipotency through epigenetic reprogramming.
Epigenetic modifications are implicated in the maintenance and regulation of transcriptional memory by marking genes that were previously transcribed to facilitate transmission of these expression patterns through cell division. During germline specification and maintenance, extensive epigenetic modifications are acquired. Yet somehow at fertilization, the fusion of the highly differentiated sp...
متن کاملTotipotency/pluripotency and patentability.
UNLABELLED In their article entitled " COMMENTARY Is totipotency of a human cell a sufficient reason to exclude its patentability under the European law" (Stem Cells 2007;25:3026-3028), K.T. Vrtovec and B. Vrtovec conclude that arguments based on differentiation potential should not be an obstacle to patenting human embryonic stem cells (and related cells referred to as totipotent or pluripot...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Current Biology
سال: 2008
ISSN: 0960-9822
DOI: 10.1016/j.cub.2008.02.032