PhospholipidBiosynthesisinE.ColiPathway
The biosynthesis of membrane phospholipids occurs through distinct pathways in mammals and bacteria. In the mammalian pathway for the synthesis of phosphatidylethanolamine, ethanolamine is first phosphorylated, activated to form CDP-ethanolamine and then reacted with diacylglycerol to form phosphatidylethanolamine. Phosphatidylcholine is synthesized in mammals by a similar route. Phosphatidylserine is synthesized thr......阅读全文
Phospholipid－Biosynthesis－in－E.－Coli－Pathway
The biosynthesis of membrane phospholipids occurs through distinct pathways in mammals and bacteria. In the mammalian pathway for the synthesis of pho
Phosphatidylcholine－Biosynthesis－Pathway
The main components of biological membranes are phosphoglyceride lipids composed of a glycerol unit esterified to two fatty acids and a polar alcohol
The－salvage－pathway－from－serine－to－phosphatidylcholine
The biosynthesis of membrane phospholipids occurs through distinct pathways in mammals and bacteria. In the mammalian pathway for the synthesis of pho
Biosynthesis－of－neurotransmitters
Neurotransmitters are signaling molecules used by neurons to communicate across chemical synapses. The receptors for neurotransmitters include G-prote
Biosynthesis－of－isoleucine
Isoleucine is an essential amino acid, only synthesized in plants and bacteria, and required in the diet by animals. In proteins, the hydrophobic isol
Biosynthesis－of－threonine－and－methionine
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Biosynthesis－of－spermidine－and－spermine
The polyamines spermidine and spermine are expressed in a variety of tissues and are involved in the regulation of apoptosis, cellular proliferation,
Biosynthesis－of－Glycine－and－Serine
Intermediates in energy production pathways such as glycolysis and the Kreb's cycle are commonly the starting point for the biosynthesis of amino
Biosynthesis－of－Cysteine－in－mammals
In animals, the sulfur-containing amino acid cysteine is synthesized from homocysteine, which is itself derived from metabolism of the amino acid meth
Biosynthesis－and－Analysis－of－Bilins
The term bilin is a collective one to describe a broad group of open chain tetrapyrroles and derives from the name “bile pigments” as the first of
Biosynthesis－of－Proline－in－Bacteria
Among the twenty amino acids encoded by the genetic code, proline is unique in having a cyclic structure with its side chain connected to the amino gr
对乙酰氨基酚生物合成
近日，北京化工大学研究团队在《Metabolic Engineering》杂志发表题为“Design and construction of an artificial pathway for biosynthesis of acetaminophen in Escherichia coli”的
Biosynthesis－of－Chorismate－in－Bacteria－and－Plants
The biosynthesis of all three aromatic amino acids (tryptophan, tyrosine and phenylalanine) begins with the metabolic intermediate chorismate. The bio
Biosynthesis－of－Tryptophan－in－Bacteria－and－Plants
The aromatic amino acid tryptophan is an essential nutrient, meaning that humans and animals do not themselves have the biosynthetic machinery to synt
Phospholipase－C－d1－in－phospholipid－associated－cell－signaling
Phospholipase C (PLC) d1 is a member of the PLC family that produces two second messengers, diacylglycerol (DAG) and inositol 1,4,5-triphosphate (IP3)
Complement－Pathway
The complement pathway consists of a series of over thirty proteins in plasma that are part of the immune response. Activation of the complement syste
Prion－Pathway
Transmissible spongiform encephalopathy (TSE) is thought to result from the structural conversion of cellular prion protein, PrP(C), into a misfolded
Fibrinolysis－Pathway
Clot formation and fibrinolysis is a balance of plasmin activation/inhibition and thrombin-thrombomodulin activity that regulates fibrin polymer forma
Glycolysis－Pathway
Glycolysis was one of the first metabolic pathways studied and is one of the best understood, in terms of the enzymes involved, their mechanisms of ac
Dicer－Pathway
The degradation of endogenous mRNA in a sequence-specific manner can be induced by dsRNA [RNA interfernce (RNAi)], antisense transcription, or viral i
Antisense－Pathway
About 8% of human genes have been estimated to carry out transcription from both DNA strands, resulting in significant level of endogenous antisense R
Oxidative－reactions－of－the－pentose－phosphate－pathway
One form of chemical energy used to drive biosynthetic reactions forward is the reducing power of the energy carrier NADPH. NADPH is essential to driv
Biosynthesis－of－Cysteine－from－serine－in－bacteria－and－plants
In animals cysteine is synthesized from homocysteine, a produce of the essential amino acid methionine. In the absence of dietary methionine, animals
Transformation－of－E.－coli－by－Electroporation
实验概要 Electrocompetent bacteria are prepared by growing cultures to mid-log phase, washing the bacteria extensively at low temperature, and