POLYTENE CHROMOSOMES;
CHIRONOMUS;
BR GENES;
SP-I SECRETORY PROTEINS;
SUGAR EFFECT ON BRS;
REGULATION OF BRS;
D O I:
10.1016/0248-4900(91)90046-P
中图分类号:
Q2 [细胞生物学];
学科分类号:
071009 ;
090102 ;
摘要:
Balbiani ring (BR) genes in polytene chromosomes of Chironomus salivary glands code for secretory proteins of the sp-I family, 10(6)D. They are used by the aquatic larva to spin a housing and feeding tube. The expression of BR gene family undergoes correlated changes depending on the environment. In the presence of certain sugars, ethanol or glycerol the normally most active BR2 regresses and its products disappear. There is a parallel induction of a new BR, BR6, and a new sp-I protein. The change seems to represent an adaptative response to phosphate depletion in the larval haemolymph produced by the inducing agents. The BR2 (and BR1) products are heavily phosphorylated and the BR6 product non-phosphorylated. One of the BR2-coded sp-I proteins is cleaved off close to the C-terminus and material with properties expected of the resulting polypeptide can be recovered in the nuclei, accumulating in the BR. This might represent a feed-back signal from translation to transcription.
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDEN
HOOG, C
DANEHOLT, B
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机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDEN
DANEHOLT, B
WIESLANDER, L
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDEN
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
PAULSSON, G
LENDAHL, U
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
LENDAHL, U
GALLI, J
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
GALLI, J
ERICSSON, C
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
ERICSSON, C
WIESLANDER, L
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDEN
HOOG, C
DANEHOLT, B
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDEN
DANEHOLT, B
WIESLANDER, L
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,S-10401 STOCKHOLM 60,SWEDEN
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
PAULSSON, G
LENDAHL, U
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
LENDAHL, U
GALLI, J
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
GALLI, J
ERICSSON, C
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN
ERICSSON, C
WIESLANDER, L
论文数: 0引用数: 0
h-index: 0
机构:
KAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDENKAROLINSKA INST,MED NOBEL INST,DEPT MOLEC GENET,BOX 60400,S-10401 STOCKHOLM 60,SWEDEN