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peptone

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peptone
peptone (ˈpɛptəʊn) [ad. Ger. pepton (C. G. Lehmann, 1849, in Ber. Sächs. Gesellsch. f. Wissensch., Math.-Phys., Cl. I. 12), ad. Gr. πεπτόν, neut. of Gr. πεπτ-ός cooked, digested; spelt -one in Fr. and Eng.] The general name for a class of albuminoid substances into which proteids (the nitrogenous co... Oxford English Dictionary
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Peptone water
Peptone water is a microbial growth medium composed of peptic digest of animal tissue and sodium chloride. Peptone water is also a non-selective broth medium which can be used as a primary enrichment medium for the growth of bacteria. wikipedia.org
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What is "bacto" peptone? Standard recipes for yeast medium often include "bacto-peptone". Is this the same as bacteriological peptone? Is there an authoritative source that spells it out?
See here. _Bacto_ is a brand which used to be marketed by Difco. It is a casein (milk protein) hydrolysate.
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Peptoniphilus
friend, loving; Neo-Latin masculine gender noun Peptoniphilus, friend of peptone, referring to the use of peptone as a major energy source. They are non-saccharolytic, use peptone as a major energy source and produce butyrate. wikipedia.org
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YM (selective medium)
It is malt extract medium modified by the addition of yeast extract and peptone. wikipedia.org
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peptonoid
ˈpeptonoid [f. peptone + -oid.] Trade-name for a preparation containing peptones: see prec.1893 Syd. Soc. Lex., Peptonoids of beef. Oxford English Dictionary
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peptogen
peptogen (ˈpɛptədʒɛn) [f. Gr. πεπτό-ς (see peptone, peptic) + -gen.] A general name for substances which stimulate the formation of pepsin in the gastric juice. So peptoˈgenic, pepˈtogenous adjs., having the quality of forming, or stimulating the formation of, pepsin; also, having the quality of con... Oxford English Dictionary
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Rappaport Vassiliadis soya peptone broth
Rappaport-Vassiliadis soya peptone broth (RVS broth) is used as an enrichment growth medium for the isolation of Salmonella species. Components A liter of RVS broth contains: 4.5g Soya peptone 7.2g Sodium chloride 1.26g Potassium dihydrogen phosphate 0.18g Dipotassium phosphate 13.58g wikipedia.org
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Tryptic soy broth
of Trypticase peptone (Tryptone) of Phytone peptone (Soytone) of Sodium Chloride (NaCl) of dipotassium phosphate (K2HPO4) of dextrose (glucose) wikipedia.org
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YEPD
YEPD or yeast extract peptone dextrose, also often abbreviated as YPD, is a complete medium for yeast growth. YEPD typically contains 1% yeast extract, 2% peptone, and 2% glucose in distilled water. wikipedia.org
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Is it essential to add cholesterol to agar or liquid culture for C. elegans? In preparing agar plates with NGM, and also liquid cultures for growing c elegans, how essential is the addition of cholesterol and heavy me...
_C. elegans_ needs cholesterol, but can't make it. Since bacteria don't make cholesterol either, the food bacteria aren't a source. As explained in the linked paper, lack of cholesterol affects normal development.
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马康基氏琼脂
Peptone - 17 g Proteose peptone - 3 g 乳糖 - 10 g 胆盐 - 1.5 g 氯化钠 - 5 g 中性红 - 0.03 g 结晶紫 - 0.001 g 洋菜胶 - 13.5 g 水 - 加到一公升，并调整pH值到7.1 (+/- 0.2) 参考资料 wikipedia.org
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Hektoen enteric agar
Since most bacteria can use the sugars in preference to peptone, these "uninteresting" bacteria acidify the medium and turn a pH indicator yellow or red Peptone metabolism by Shigella and Salmonella alkalises the medium, turning a pH indicator blue. wikipedia.org
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沙鲍弱氏琼脂
典型成分 沙鲍弱氏琼脂通常包含： 40 g/L 葡萄糖 10 g/L 肽（Peptone#Peptide_classes） 20 g/L 琼脂 pH 5.6 参考资料 S wikipedia.org
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Sorbitol-MacConkey agar
Those bacteria unable to ferment lactose, often referred to as nonlactose fermenters, or NLFs for short, use the peptone in the medium. Non-pathogenic strains of E. coli ferment sorbitol to produce acid: Pathogenic E. coli cannot ferment sorbitol, so this strain uses peptone to grow. wikipedia.org
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