Researchers from Johns Hopkins have quantified the number of possible decisions that an individual cell can make after receiving a cue from its environment, and surprisingly, it's only two.
Cell & Microbiology
Oct 12, 2011
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(PhysOrg.com) -- Archaea are among the oldest known life-forms, but they are not well understood. It was only in the 1970s that these single-celled microorganisms were designated as a domain of life distinct from bacteria ...
Cell & Microbiology
Jul 6, 2011
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(PhysOrg.com) -- In a study published this week in Nature, researchers Gaetan Borgonie from Ghent University in Belgium and Tullis Onstott from Princeton University announced the discovery of new nematode species living kilometers ...
An international research group headed by Professor and Research Director Yrjo Helariutta has discovered the genetic process that controls the development of wood cells in the roots of plants. Wood is the vascular tissue ...
Cell & Microbiology
May 31, 2011
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For cooperation to persist in the often violently competitive realm of bacteria, cheaters must be kept in line.
Evolution
May 26, 2011
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Scientists have discovered that marine diatoms, tiny phytoplankton abundant in the sea, have an animal-like urea cycle, and that this cycle enables the diatoms to efficiently use carbon and nitrogen from their environment.
Cell & Microbiology
May 11, 2011
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(PhysOrg.com) -- Cells at the tip of the slime mold's fruiting body organize into an epithelial layer and secrete proteins as do some animals cells.
Cell & Microbiology
Mar 14, 2011
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(PhysOrg.com) -- In a new study, scientists at the University of Maryland and the Institut Pasteur show that bacteria evolve new abilities, such as antibiotic resistance, predominantly by acquiring genes from other bacteria.
Biotechnology
Jan 27, 2011
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Researchers at the University of Oxford have uncovered a clue that may help to explain why the earliest evidence of complex multicellular animal life appears around 550 million years ago, when atmospheric oxygen levels on ...
Cell & Microbiology
Dec 17, 2010
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When life on Earth first emerged about 4 billion years ago, it was simple by today's standards.
Biochemistry
Oct 22, 2010
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