PSEUDOMONAS-SYRINGAE PV SYRINGAE PHYTOTOXINS REVERSIBLY INHIBIT THE PLASMA-MEMBRANE H+-ATPASE AND DISRUPT UNILAMELLAR LIPOSOMES

被引：17

作者：

CAMONI, L

DIGIORGIO, D

MARRA, M

ADUCCI, P

BALLIO, A

机构：

[1] UNIV ROMA LA SAPIENZA, DIPARTIMENTO SCI BIOCHIM A ROSSI FANELLI, I-00185 ROME, ITALY

[2] UNIV ROMA LA SAPIENZA, CNR, CTR MOLEC BIOL, I-00185 ROME, ITALY

[3] UNIV ROMA TOR VERGATA, DIPARTIMENTO BIOL, I-00133 ROME, ITALY

来源：

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 1995年 / 214卷 / 01期

关键词：

D O I：

10.1006/bbrc.1995.2264

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The Pseudomonas syringae pv. syringae phytotoxins syringomycin-E and syringopeptins 22-A and 25-A reversibly and noncompetitively inhibit purified H+-ATPase solubilized from plasma membrane of maize roots. Moreover, they increase the passive permeability to protons in phosphatidylcholine/phosphatidylethanolamine liposomes. Both effects are mole pronounced with syringopeptins than with syringomycin-E. Activity on phospholipid bilayers is detectable at phytotoxin concentrations not affecting H+-ATPase activity. (C) 1995 Academic Press. Inc.

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页码：118 / 124

页数：7

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