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重要文件

M3770

Sigma-Aldrich

溶壁微球菌 ATCC 4698

suitable for substrate for the assay of lysozyme, lyophilized cells

同義詞:

藤黄微球菌

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About This Item

分類程式碼代碼:
12352204
NACRES:
NA.54
暫時無法取得訂價和供貨情況

形狀

lyophilized cells

品質等級

適合性

suitable for substrate for the assay of lysozyme

儲存溫度

−20°C

應用

溶壁微球菌ATCC号4698,已被用于一项评估中空纤维超滤分离溶菌酶的研究中。 [1] 它也被用于研究可生物降解微粒中蛋白质药物的封装研究。 [2]
溶壁微球菌培养物中收获的溶菌酶裂解物被附着在琼脂糖凝胶上并用于亲和层析以分离各种溶菌酶。 [3]

生化/生理作用

藤黄微球菌(Micrococcus luetus)是一种革兰氏阳性菌,可通过释放水不溶性黄色素加以鉴定。这种细菌生长需要琥珀酸,并易被产酶溶杆菌(Lysobacter enzymogenes)通过β-水解金属内肽酶(β-lytic metalloendopeptidase)裂解。它的膜中含有一种酶,可以异戊二烯焦磷酸为供体进行异戊二烯化反应。藤黄微球菌可用于cis-异戊烯基转移酶的基因克隆。

品質

含多核苷酸磷酸化酶。

單位定義

One unit will lyse 0.6 μg of Micrococcus lysodeikticus per minute by turbidimetric detection at 600 nm when suspended in buffer at pH 6.2 at 25 °C.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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Ghosh et al.
Biochemical engineering journal, 6(1), 19-24 (2000-07-26)
This paper discusses the purification of lysozyme from chicken egg white using hollow-fibre ultrafiltration (30kDa MWCO, polysulphone membrane). Lysozyme is preferentially transmitted through the membrane while the membrane largely retains other egg white proteins. Improvement in system hydrodynamics resulted in
Ingrid Bourgeois et al.
FEMS microbiology letters, 290(1), 105-113 (2008-11-26)
The nucleotide sequence of atlL, a gene encoding a putative Staphylococcus lugdunensis peptidoglycan hydrolase, was determined using degenerate consensus PCR and genome walking. This 3837-bp gene encodes a protein, AtlL, that appears as a putative bifunctional autolysin with a 29-amino
Jingwei Xie et al.
Journal of colloid and interface science, 317(2), 469-476 (2007-10-20)
A co-axial electrospray process was developed to encapsulate protein-based drugs in biodegradable polymeric microparticles eliminating the key problem faced by other conventional methods of protein encapsulation--the primary emulsion being a major cause for protein denaturation and aggregation. Bovine serum albumin
Mathieu Giraudeau et al.
PloS one, 5(10), e13555-e13555 (2010-11-05)
As egg production and offspring care are costly, females should invest resources adaptively into their eggs to optimize current offspring quality and their own lifetime reproductive success. Parasite infections can influence maternal investment decisions due to their multiple negative physiological
Thais Heloisa Vaz Farias et al.
Fish & shellfish immunology, 101, 186-191 (2020-04-05)
Aeromonas hydrophila is responsible for outbreaks of a severe infectious disease in fish farms around the world and is one of the major causes of economic losses to the neotropical fish farmers. This study assessed the induction of immune responses

條款

To measure achromopeptidase activity, this procedure uses bacterial cells and a turbidimetric rate assay. Turbidity is measured at 600 nm using a spectrophotometer.

This enzymatic rate determination may be used for Lysozyme products. It is not to be used to assay recombinant or insoluble Lysozyme on agarose.

该酶速率测定可用于溶菌酶产物。它不适用于在测定在琼脂糖上的重组型或不溶性溶菌酶。

相關內容

Enzymatic Assay of Achromopeptidase

Questions

  1. From which growth phase are the bacteria harvested?

    1 answer
    1. This product is supplied by the ATCC. The growth phase at the time of harvest is not reported by the supplier. In general, in order to maximize production and viability, cells are in log phase or beginning stationary phase at the time of harvest.

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