EXPRESSION OF LOW-MOLECULAR-WEIGHT HSP-70 RELATED POLYPEPTIDES FROM THE SYMBIOTIC SEA-ANEMONE ANEMONIA-VIRIDIS FORSKALL IN RESPONSE TO HEAT-SHOCK

被引:63
作者
SHARP, VA [1 ]
MILLER, D [1 ]
BYTHELL, JC [1 ]
BROWN, BE [1 ]
机构
[1] UNIV LEEDS,SCH MED,DEPT CLIN MED,ACAD UNIT PATHOL,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND
关键词
HEAT SHOCK; ANEMONIA-VIRIDIS; HSP-70;
D O I
10.1016/0022-0981(94)90113-9
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Monoclonal antibodies raised against the highly conserved heat shock protein (hsp) 70 failed to detect an equivalent molecular mass homologue in the temperate sea anemone Anemonia viridis and its endosymbiotic zooxanthellae before or after heat shock. Cross-reaction does occur with a heat shock inducible 70 kDa protein in Goniopora djiboutiensis (Vaughan), a subtidal tropical coral. Hsp 70-specific antibodies did recognise 28 kDa and 29 kDa soluble proteins from intertidal A. viridis before and after heat shock. Differential expression of these low molecular mass hsp 70 homologues in intertidal and subtidal populations correlates with thermotolerance. Anemones maintained artificially without endosymbiotic zooxanthellae are capable of synthesising the low molecular mass hsp homologues following heat shock, but do not express them constitutively.
引用
收藏
页码:179 / 193
页数:15
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