Navigation Links
Lac repressor


The lac repressor (LacI) operates by binding to the operator region of the lac operon. This blocks RNA polymerase from binding, and so prevents transcription of the mRNA coding for the lac proteins.
Full article >>>

Lac repressor
The lac repressor is an enzyme which stops the metabolism of lactose in bacteria as long as glucose is available.
Full article >>>

The lac repressor binds to a specific sequence of two dozen nucleotides called the operator. [Link to a discussion of how the DNA sequence of the operator site can be determined.] Most of the operator is downstream of the promoter.
Full article >>>

Esipova N.G., Ebralidse K., and Mirzabekov, A.D. Mechanism of lac repressor switchoff: Orientation of lac repressor DNA-binding domain is reversed upon inducer binding. FEBS Lett. 1995. V.375. P.27-30 ...
Full article >>>


'"/>


See more about: Lac repressor

TAG: Lac repressor
Other biology dictionary
(Date:11/19/2008)...] Imagine yourself swimming in a pool: It,s the m...f the water, that mostly dictates the speed and di... situation is different. Microbes, speed and direc...f the fluid around them. , "For bacteria to swim...r of physics at Brown University, "it,s like us tr...
(Date:11/19/2008)...l land use patterns and increasing pressures on wa...agement. Traditional stormwater management focuses...t generally does little to restore the hydrologic ...d urban soils with low permeability. The lack of i...arge and has negative repercussions on water quali...
(Date:11/19/2008)...ultural research will convene more than 700 leadin... and donor representatives in Maputo, Mozambique, ...s for meeting the food needs of the poor in Africa...m to its coreclimate change, skyrocketing food pri...financial crisis. In just the past three years, th...
(Date:11/19/2008)...at Carnegie Mellon University,s Robotics Institute...om the U.S. Department of Agriculture (USDA) to bu...owers and one is for orange growers, but both are ...tion costs. , The systems use sensors on autonom...orchards to gather a multitude of data about tree ...
Breaking Biology News(10 mins):How do bacteria swim? Brown physicists explain 2Urban trees enhance water infiltration 2Major conference on food Dec. 1-2, 2008 2Carnegie Mellon developing automated systems to enable precision farming of apples, oranges 2Carnegie Mellon developing automated systems to enable precision farming of apples, oranges 3Asbestos Verdict Upheld by Louisiana Court of Appeal Announces Baron 26 Budd 19744 1Asbestos Verdict Upheld by Louisiana Court of Appeal Announces Baron 26 Budd 19744 2ASCO 2008 3A Tumor Targeted Rexin G Demonstrates Dose Dependent Anti Tumor Activity Without Toxicity in Metastatic Pancreatic Cancer 5509 1ASCO 2008 3A Tumor Targeted Rexin G Demonstrates Dose Dependent Anti Tumor Activity Without Toxicity in Metastatic Pancreatic Cancer 5509 2BWF awards 2411 2 million to support physician scientists 19737 1BWF awards 2411 2 million to support physician scientists 19737 2BWF awards 2411 2 million to support physician scientists 19737 3Study finds 21st birthday binge drinking extremely common 3B can pose serious health hazards 19733 1Study finds 21st birthday binge drinking extremely common 3B can pose serious health hazards 19733 2
...a long-used linear model, a correlation-based stat...ex gene interactions and pinpoint genes that may b... new Brown University research. , The research is...ol for tracing human gene connections, a task crit...er diseases. Results appeared this week in the onl...
...on of data from earlier studies suggests that expo...just as detrimental to a developing fetus as prima... a recent paper from the University of Pittsburgh ...lished in the online journal BMC Pediatrics, Steph...mental and occupational health, reports that both ...
...researchers have discovered that a single protein ...vary gland and its skin-like outer layer. , Descr...ng improves understanding of how cells become spec... of certain glands and cell types in organisms fro...that a protein called CrebA single-handedly contro...
... the University of Illinois at Chicago have identi...ptor found in both humans and the much-studied lab...hways of research on muscle function. , The neurot...cotinic receptors at the nematode,s neuromuscular ...esearchers knew the subunit composition only of th...
Other Biology News:Researchers develop promising new gene network analysis method 2Any exposure to tobacco smoke during pregnancy is risky 2Study: Well-known protein helps stem cells become secretory cells 2Small worm yields big clue on muscle receptor action 2