Cloning and characterization of the genomic region encoding toxin IV-5 from the scorpion Tityus serrulatus Lutz and Mello

被引:23
作者
Corona, M [1 ]
Zurita, M [1 ]
Possani, LD [1 ]
Becerril, B [1 ]
机构
[1] Univ Nacl Autonoma Mexico, INST BIOTECNOL, CUERNAVACA 62271, MORELOS, MEXICO
关键词
D O I
10.1016/0041-0101(95)00129-8
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
By means of PCR and using synthetic oligonucleotides designed from the reported cDNA, we amplified the gene that codes for toxin IV-5 from the Brazilian scorpion Tityus serrulatus, The analysis of the nucleotide sequence shows that the amplified genomic region is composed of 659 base pairs (bp) comprising two exons (28 and 284 bp) and an intron of 347 bp interrupting the region that encodes the signal peptide of the precursor toxin, Based on these findings a model for the structural organization of scorpion toxin genes is proposed.
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页码:251 / 256
页数:6
相关论文
共 25 条
  • [1] WHAT IS TITYUSTOXIN
    ARANTES, EC
    SAMPAIO, SV
    VIEIRA, CA
    GIGLIO, JR
    [J]. TOXICON, 1992, 30 (07) : 786 - 789
  • [2] BARHANIN J, 1982, J BIOL CHEM, V257, P2553
  • [3] CLONING AND CHARACTERIZATION OF CDNAS THAT CODE FOR NA+-CHANNEL-BLOCKING TOXINS OF THE SCORPION CENTRUROIDES-NOXIUS HOFFMANN
    BECERRIL, B
    VAZQUEZ, A
    GARCIA, CI
    CORONA, M
    BOLIVAR, F
    POSSANI, LD
    [J]. GENE, 1993, 128 (02) : 165 - 171
  • [4] THE GENOMIC REGION ENCODING TOXIN-GAMMA FROM THE SCORPION TITYUS-SERRULATUS CONTAINS AN INTRON
    BECERRIL, B
    CORONA, M
    MEJIA, MC
    MARTIN, BM
    LUCAS, S
    BOLIVAR, F
    POSSANI, LD
    [J]. FEBS LETTERS, 1993, 335 (01): : 6 - 8
  • [5] AMINO-ACID-SEQUENCE OF TOXIN-VII, A BETA-TOXIN FROM THE VENOM OF THE SCORPION TITYUS-SERRULATUS
    BECHIS, G
    SAMPIERI, F
    YUAN, PM
    BRANDO, T
    MARTIN, MF
    DINIZ, CR
    ROCHAT, H
    [J]. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 1984, 122 (03) : 1146 - 1153
  • [6] IDENTIFICATION OF THE CDNA, GENE AND PROMOTER FOR A MAJOR PROTEIN FROM FLEXIBLE CUTICLES OF THE GIANT SILKMOTH HYALOPHORA-CECROPIA
    BINGER, LC
    WILLIS, JH
    [J]. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY, 1994, 24 (10) : 989 - 1000
  • [7] BLAUSTEIN MP, 1991, MOL PHARMACOL, V40, P932
  • [8] MODIFICATION OF NA CHANNEL GATING BY AN ALPHA-SCORPION TOXIN FROM TITYUS-SERRULATUS
    KIRSCH, GE
    SKATTEBOL, A
    POSSANI, LD
    BROWN, AM
    [J]. JOURNAL OF GENERAL PHYSIOLOGY, 1989, 93 (01) : 67 - 83
  • [9] LARABADJEBARI F, 1995, 5 PAN AM S INT SOC T, P201
  • [10] STRUCTURE AND EXPRESSION OF A BARLEY ACIDIC BETA-GLUCANASE GENE
    MALEHORN, DE
    SCOTT, KJ
    SHAH, DM
    [J]. PLANT MOLECULAR BIOLOGY, 1993, 22 (02) : 347 - 360