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當(dāng)前位置：賽默飛世爾科技（中國）有限公司>>微生物鑒定檢測試劑盒>>鏈球菌檢測>>Remel™ 腸球菌/A 族鏈球菌篩選試劑盒

Remel™ 腸球菌/A 族鏈球菌篩選試劑盒

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產(chǎn)品型號(hào)Thermo Scientific

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更新時(shí)間：2023-04-03 10:52:52瀏覽次數(shù)：143次

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產(chǎn)品簡介

Thermo Scientific Remel 腸球菌/A 族鏈球菌篩選試劑盒用于通過七葉苷水解和 PYR 反應(yīng)對腸球菌和 A 族鏈球菌進(jìn)行推斷性鑒定。

詳細(xì)介紹

Presumptively identify Group A Streptococci and Enterococci using Enterococcus/Group A Strep Screen.

  • Easy to store - No special storage required
  • Easy to interpret - With visual inspection - the color change in the medium to dark brown indicates a positive esculin reaction and after addition of two drops of Cinnamaldehyde Reagent to the tube, the color changes to red indicating a positive PYR test.

This medium contains esculin compound which is hydrolyzed enzymatically at the β-glucose linkage to yield two products – esculetin and glucose. Esculetin reacts with the ferric ammonium citrate present in the medium to form a phenolic iron complex which is brown-black in color.

L-pyroglutamic acid β-naphthylamide (PYR) serves as the substrate for the detection of pyrrolidonyl peptidase. Following substrate hydrolysis by the peptidase enzyme, the resulting β-naphthylamine produces a red color upon the addition of ρ-dimethyl-aminocinnamaldehyde (Cinnamaldehyde Reagent).

  1. Rochaix, A. 1924. Cr. Soc. Biol. 90:771-772.
  2. Mulczyk, M. and A. Szewczuk. 1970. J. Gen. Microbiol. 61:9-13.
  3. Fackalm, R.R., L.G. Thacker, B. Fox, L. Eriquez. 1982. J. Clin. Microbiol. 15:987.


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