LECTIN GENES FROM THE LEGUME MEDICAGO-TRUNCATULA

被引:19
作者
BAUCHROWITZ, MA [1 ]
BARKER, DG [1 ]
NADAUD, I [1 ]
ROUGE, P [1 ]
LESCURE, B [1 ]
机构
[1] FAC SCI PHARMACEUT TOULOUSE, BIOL CELLULAIRE LAB, F-31062 TOULOUSE, FRANCE
关键词
FRAMESHIFT MUTATION; LECTIN GENES; MEDICAGO-TRUNCATULA;
D O I
10.1007/BF00040532
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
We report the cloning and characterization of two lectin genes from Medicago truncatula, designated Mtlec1 and Mtlec2. The two genes show a high degree of homolog and apparently belong to a small multigene family. Mtlec1 appears to encode a functional lectin with 277 amino acids, whereas Mtlec2 is probably non-functional, since a frameshift mutation (insertion of two nucleotides) leads to premature translation termination after only 98 amino acids. The deduced amino acid sequence of the polypeptide MtLEC1 suggests that this lectin is a metalloprotein with Glc/Man specificity.
引用
收藏
页码:1011 / 1017
页数:7
相关论文
共 30 条
[21]   FRAMESHIFT MUTATION - DETERMINANTS OF SPECIFICITY [J].
RIPLEY, LS .
ANNUAL REVIEW OF GENETICS, 1990, 24 :189-213
[22]   LEGUME LECTINS - A LARGE FAMILY OF HOMOLOGOUS PROTEINS [J].
SHARON, N ;
LIS, H .
FASEB JOURNAL, 1990, 4 (14) :3198-3208
[23]   LECTINS AS CELL RECOGNITION MOLECULES [J].
SHARON, N ;
LIS, H .
SCIENCE, 1989, 246 (4927) :227-234
[24]  
STROSBERG AD, 1986, LECTINS PROPERTIES F, P249
[25]   SULFATED LIPO-OLIGOSACCHARIDE SIGNALS OF RHIZOBIUM-MELILOTI ELICIT ROOT NODULE ORGANOGENESIS IN ALFALFA [J].
TRUCHET, G ;
ROCHE, P ;
LEROUGE, P ;
VASSE, J ;
CAMUT, S ;
DEBILLY, F ;
PROME, JC ;
DENARIE, J .
NATURE, 1991, 351 (6328) :670-673
[26]  
VANDRIESSCHE E, 1988, ADV LECTIN RES, V1
[27]   CA LECTIN GENE INSERTION HAS THE STRUCTURAL FEATURES OF A TRANSPOSABLE ELEMENT [J].
VODKIN, LO ;
RHODES, PR ;
GOLDBERG, RB .
CELL, 1983, 34 (03) :1023-1031
[28]   A NEW METHOD FOR PREDICTING SIGNAL SEQUENCE CLEAVAGE SITES [J].
VONHEIJNE, G .
NUCLEIC ACIDS RESEARCH, 1986, 14 (11) :4683-4690
[29]   THE COMPLETE AMINO-ACID SEQUENCES OF THE BETA-1-SUBUNIT AND BETA-2-SUBUNIT OF THE ISOLECTINS LOL1 AND LOL11 FROM SEEDS OF LATHYRUS-OCHRUS (L) DC [J].
YARWOOD, A ;
RICHARDSON, M ;
CAVADA, BS ;
ROUGE, P .
FEBS LETTERS, 1985, 184 (01) :104-109
[30]   THE AMINO-ACID-SEQUENCE OF PEANUT AGGLUTININ [J].
YOUNG, NM ;
JOHNSTON, RAZ ;
WATSON, DC .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 1991, 196 (03) :631-637