NUCLEOTIDE AND DERIVED AMINO-ACID-SEQUENCE OF THE CYANOGENIC BETA-GLUCOSIDASE (LINAMARASE) FROM WHITE CLOVER (TRIFOLIUM-REPENS L)

被引:57
作者
OXTOBY, E [1 ]
DUNN, MA [1 ]
PANCORO, A [1 ]
HUGHES, MA [1 ]
机构
[1] UNIV NEWCASTLE UPON TYNE,DEPT BIOCHEM & GENET,NEWCASTLE TYNE NE2 4HH,ENGLAND
关键词
BETA-GLUCOSIDASE; CYANOGENESIS; LINAMARASE; TRIFOLIUM-REPENS; WHITE CLOVER; DNA SEQUENCE;
D O I
10.1007/BF00039495
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 nucleotide sequence and derived amino acid sequence of two different beta-glucosidase cDNA clones were determined. One clone (TRE104) was identified as the cyanogenic beta-glucosidase by homology with the N-terminal and internal peptide amino acid sequence of the purified enzyme. The biological function of the other beta-glycosidase (TRE361) is not known. Co-segregation of genomic restriction fragments uniquely identified by each cDNA clone shows that these two genes are linked in the white clover genome. Both TRE104 and TRE361 fragments co-segregate with cyanogenic beta-glucosidase activity. Extensive homology was found between the white clover beta-glucosidase sequences and a group of prokaryote and mammalian beta-glycosidases. This group of sequences has no homology with a separate set of beta-glucosidase genes isolated from fungi and the thermophilic bacterium Clostridium thermocellum.
引用
收藏
页码:209 / 219
页数:11
相关论文
共 33 条
  • [1] ISOLATION AND STRUCTURE OF A TRYPTIC GLYCOPEPTIDE FROM THE ACTIVE-SITE OF BETA-GLUCOSIDASE A3 FROM ASPERGILLUS-WENTII
    BAUSE, E
    LEGLER, G
    [J]. BIOCHIMICA ET BIOPHYSICA ACTA, 1980, 626 (02) : 459 - 465
  • [2] BIOZET B, 1988, GENE, V62, P249
  • [3] NUCLEOTIDE AND DEDUCED AMINO-ACID-SEQUENCES OF THE STAPHYLOCOCCUS-AUREUS PHOSPHO-BETA-GALACTOSIDASE GENE
    BREIDT, F
    STEWART, GC
    [J]. APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1987, 53 (05) : 969 - 973
  • [4] Chou P Y, 1978, Adv Enzymol Relat Areas Mol Biol, V47, P45
  • [5] Conn E.E., 1981, BIOCH PLANTS COMPREH, P479, DOI 10.1016/B978-0-12-675407-0.50022-1
  • [6] Corkill L., 1942, NZ J SCI TECHNOLOGY, V23, P178
  • [7] DEAN C, 1985, P NATL ACAD SCI USA, V82, P4964, DOI 10.1073/pnas.82.15.4964
  • [8] Dellaporta S.L., 1983, PLANT MOL BIOL REP, V1, P19, DOI [10.1007/BF02712670, DOI 10.1007/BF02712670]
  • [9] HUMAN ACID BETA-GLUCOSIDASE - ISOLATION AND AMINO-ACID-SEQUENCE OF A PEPTIDE CONTAINING THE CATALYTIC SITE
    DINUR, T
    OSIECKI, KM
    LEGLER, G
    GATT, S
    DESNICK, RJ
    GRABOWSKI, GA
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1986, 83 (06) : 1660 - 1664
  • [10] SYNTHESIS OF THE CYANOGENIC BETA-GLUCOSIDASE, LINAMARASE, IN WHITE CLOVER
    DUNN, MA
    HUGHES, MA
    SHARIF, AL
    [J]. ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS, 1988, 260 (02) : 561 - 568