Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli.

Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli. Research Abstract Details 

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Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli. Abstract Text:

K Goto,S Mizushima,

Bovine serum albumin appreciably stimulated the initial rate and the steady-state level of proline uptake in membrane vesicles, while it had no effect on the oxidase activity for ascorbate-phenazine methosulfate, on which the transport activity depends. Bovine serum albumin showed the strongest stimulatory effect on the transport system among the proteins tested. Three other proteins did not show any effect, while beta-lactoglobulin showed a weaker but appreciable effect on the transport activity. The incubation of membrane vesicles with bovine serum albumin resulted in extensive removal of fatty acids, while none of the other membrane components, including proteins and phospholipids, was removed by this treatment. Fatty acids inhibited the proline transport activity, while the inhibited activity was appreciably restored by incubation with the albumin. An experiment with radioactive fatty acids showed that exogenously-added fatty acids bound firmly to the membrane vesicles and were removed by subsequent incubation with the albumin. The incubation of membrane vesicles for several hours resulted in an increase of fatty acids with a concomitant loss of the transport activity. Subsequent incubation with the albumin resulted in the removal of fatty acids and the partial restoration of the transport activity. Based on these results, it is concluded that bovine serum albumin specifically removed fatty acids from membrane vesicles, resulting in activation of the proline transport system.

Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli. Publishing Authors By Initials

K Goto,S Mizushima,

For similar proteins: albumins: serum albumin: serum albumin, bovine research abstracts see: proteins: albumins: serum albumin: serum albumin, bovine research

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Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of biochemistry

VOLUME: 84

Page Numbers: 251-8

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: Aug

YEAR: 1978

Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli. Information

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LANGUAGE: eng

NlmUniqueID: 376600

Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli. Keywords Mesh Terms:

KEYWORDS: Serum Albumin, Bovine

MESH TERMS: pharmacology

Chemical & Substance for Abstract: Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli. Information

Substance Name: Proline

Registry Number: 147-85-3

Grant and Affiliation Information for Removal by bovine serum albumin of fatty acids from membrane vesicles and its effect on proline transport activity in Escherichia coli.

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Country: JAPAN

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MEDLINETA: J Biochem

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