Cells on the move reach forward with lamellipodia and filopodia, cytoplasmic sheets and rods supported by branched networks or tight bundles of actin filaments. Cells without functional lamellipodia are still highly motile ...
Cell & Microbiology
Apr 9, 2012
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Researchers from NYU Langone Medical Center have discovered and characterized a general mechanism that controls transcription elongation in bacteria. The mechanism, described in the April 23 issue of Science, relies on physical ...
Biotechnology
Apr 22, 2010
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Where biology, chemistry and physics intersect, a Kansas State University professor expects to find applications to improve human health.
Nanophysics
Jul 6, 2009
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Plant architecture is the outcome of several successive developmental processes that can be classified into two events: Organogenesis and extension. Organogenesis stems from the meristems (stem cells) that give rise to different ...
Molecular & Computational biology
Jan 25, 2024
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Jasmonate is a critical phytohormone that regulates plant development and adaptation to external conditions. In response to an exposure biotic or abiotic stress, jasmonate accumulates in plants, leading to root growth inhibition ...
Plants & Animals
Nov 14, 2022
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25
Proper chromosome segregation into two future daughter cells requires the mitotic spindle to elongate in anaphase. However, although some candidate proteins are implicated in this process, the molecular mechanism that drives ...
Cell & Microbiology
Jun 15, 2021
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8
The GTPases constitute a very large protein family, whose members are involved in the control of cell growth, transport of molecules, synthesis of other proteins, etc. Despite the many functions of the GTPases, they follow ...
Cell & Microbiology
Sep 11, 2018
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3
Whenever we use our smartphones to check social media, we face loads of bacteria on the devices—even more than on toilet seats, according to a University of Arizona study. Those bacteria may have their own form of social ...
Cell & Microbiology
Oct 25, 2017
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6
The ribosome is the protein-making "factory" within cells responsible for knitting together amino acids into polypeptide chains that form proteins.
Cell & Microbiology
Jan 22, 2015
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13
In all living cells, DNA makes RNA and RNA makes proteins. The molecular factory that translates the information from RNA to proteins is called the "ribosome" (shown in the accompanying movie). It is a large and sophisticated ...
Cell & Microbiology
Aug 8, 2014
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