منابع مشابه
miRNA processing turned upside down.
MicroRNAs are 19-22 nt-long RNAs that regulate eukaryotic gene expression. They are processed from stem-loop containing precursor transcripts by RNAse III enzymes of the Dicer family. In this issue of the EMBO Journal, a study by Bologna and colleagues investigates the processing of two plant MIRNA families with unusually long precursors. Their findings suggest a non-canonical mode of biogenesi...
متن کاملFace Recognition Turned Upside-Down
cell-type diversity. One particularly intriguing observamore carefully). How difficult would it be to recognize tion is that LIM-HD expression is dynamic (Tsuchida et your friends? Would inverted hors d’oeuvres pose a al., 1994; Appel et al., 1995; Sharma et al., 1998), raising challenge? If you selected an upside-down cheese blintz the possibility that precise temporal regulation of LIMwithout...
متن کاملCommunity Ecology: Top-Down Turned Upside-Down
Within African savannas, elephants often damage individual trees to the extent that they influence tree density. New research shows that mutualistic ants inhabiting certain species of Acacia protect trees from catastrophic herbivory by elephants. Protection by the ants stabilizes tree cover across savannas in what is otherwise a highly dynamic biome.
متن کاملE2F and Cell Proliferation: A World Turned Upside Down
This unusual trait-the ability of a single transcription Cambridge, Massachusetts 02142 factor to drive progression all the way through G1-is shared, to this writer's knowledge, with only a single The cottage industry of inactivating genes in the mouse germline is growing by leaps and bounds. However, the other transcription factor, the MYC oncoprotein. Hence, the E2Fs and MYC would appear to s...
متن کاملThe World Turned Upside Down: IS Research in Difficult Terrain
British troops surrendering at Yorktown, Virginia in October of 1781 reportedly marched to the 17th century English song “The World Turned Upside Down.”2 Government embodied in the United States and built on the tradition of English Common Law changed the world over subsequent generations. The deceptively simple Enlightenment notion of the “consent of the governed” required majority rule, but t...
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ژورنال
عنوان ژورنال: SAGE Open
سال: 2013
ISSN: 2158-2440,2158-2440
DOI: 10.1177/2158244013481479