2 RELATED, LOW-TEMPERATURE-INDUCED GENES FROM BRASSICA-NAPUS ARE HOMOLOGOUS TO THE HUMAN TUMOR BBC1 (BREAST BASIC CONSERVED) GENE

被引:29
作者
SAEZVASQUEZ, J
RAYNAL, M
MEZABASSO, L
DELSENY, M
机构
[1] UNIV PERPIGNAN, PHYSIOL & BIOL MOLEC VEGETALES LAB,CNRS,URA 565, AVE VILLENEUVE, F-66860 PERPIGNAN, FRANCE
[2] UNIV TALCA, DEPT CIENCIAS BIOL, PROGRAMA BIOL VEGETAL, TALCA, CHILE
关键词
BRASSICA-NAPUS; COLD ACCLIMATION; GENE ISOLATION; HUMAN TUMOR;
D O I
10.1007/BF00042354
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
In order to identify genes involved in cold acclimation, we have constructed a cDNA library from Brassica napus (cv. Samourai) cold-acclimated etiolated seedlings. By differential screening, a cDNA clone named pBnC24 (Brassica napus Cold), corresponding to a new cold-inducible plant gene, was isolated. Northern blot hybridizations using total RNA from acclimated and unacclimated seedlings confirmed that BnC24 represents a cold-regulated gene. In contrast with a number of cold-inducible plant genes, BnC24 does not seem to be responsive to abscisic acid (ABA). In addition, further screening of the 'cold-acclimated' cDNA library using pBnC24 cDNA as a probe, allowed the isolation of a second type of homologous cDNA. Sequence analysis showed that the two BnC24 genes encode basic 24 kDa proteins, which are highly hydrophilic and rich in alanine, lysine and arginine. The nucleotide and deduced amino acid sequences of these clones do not show any homology with other previously described cold-induced plants genes. However they have strong homology with a recently discovered human tumour gene, bbc1 (breast basic conserved), which seems to be highly conserved in eukaryotes.
引用
收藏
页码:1211 / 1221
页数:11
相关论文
共 33 条
[1]  
Adams S. M., 1992, Human Molecular Genetics, V1, P91, DOI 10.1093/hmg/1.2.91
[2]   SEQUENCE AND CHARACTERIZATION OF 6 LEA PROTEINS AND THEIR GENES FROM COTTON [J].
BAKER, J ;
STEELE, C ;
DURE, L .
PLANT MOLECULAR BIOLOGY, 1988, 11 (03) :277-291
[3]   MOLECULAR-CLONING AND CHARACTERIZATION OF COLD-REGULATED GENES IN BARLEY [J].
CATTIVELLI, L ;
BARTELS, D .
PLANT PHYSIOLOGY, 1990, 93 (04) :1504-1510
[4]   SUPERCOIL SEQUENCING - A FAST AND SIMPLE METHOD FOR SEQUENCING PLASMID DNA [J].
CHEN, EY ;
SEEBURG, PH .
DNA-A JOURNAL OF MOLECULAR & CELLULAR BIOLOGY, 1985, 4 (02) :165-170
[5]  
DELSENY M, 1993, IN PRESS STRESS INDU
[6]   NUCLEOTIDE-SEQUENCE AND MOLECULAR ANALYSIS OF THE LOW-TEMPERATURE INDUCED CEREAL GENE, BLT4 [J].
DUNN, MA ;
HUGHES, MA ;
ZHANG, L ;
PEARCE, RS ;
QUIGLEY, AS ;
JACK, PL .
MOLECULAR & GENERAL GENETICS, 1991, 229 (03) :389-394
[7]   CDNA SEQUENCE-ANALYSIS AND EXPRESSION OF 2 COLD-REGULATED GENES OF ARABIDOPSIS-THALIANA [J].
GILMOUR, SJ ;
ARTUS, NN ;
THOMASHOW, MF .
PLANT MOLECULAR BIOLOGY, 1992, 18 (01) :13-21
[8]   ISOLATION AND CHARACTERIZATION OF AN UNUSUAL REPEATED SEQUENCE FROM THE RIBOSOMAL INTERGENIC SPACER OF THE CRUCIFER SISYMBRIUM-IRIO [J].
GRELLET, F ;
DELCASSOTREMOUSAYGUE, D ;
DELSENY, M .
PLANT MOLECULAR BIOLOGY, 1989, 12 (06) :695-706
[9]   ANTIFREEZE PROTEIN PRODUCED ENDOGENOUSLY IN WINTER RYE LEAVES [J].
GRIFFITH, M ;
ALA, P ;
YANG, DSC ;
HON, WC ;
MOFFATT, BA .
PLANT PHYSIOLOGY, 1992, 100 (02) :593-596
[10]   CHARACTERIZATION OF A COLD-REGULATED WHEAT GENE RELATED TO ARABIDOPSIS COR47 [J].
GUO, WW ;
WARD, RW ;
THOMASHOW, MF .
PLANT PHYSIOLOGY, 1992, 100 (02) :915-922