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STRUCTURE, INHERITANCE, AND TRANSCRIPTIONAL EFFECTS OF PCE1, AN INSERTIONAL ELEMENT WITHIN PHANEROCHAETE-CHRYSOSPORIUM LIGNIN PEROXIDASE GENE LIPI

被引：17
作者：
GASKELL, J
VANDENWYMELENBERG, A
CULLEN, D
机构：
[1] US FOREST SERV,FOREST PROD LAB,INST MICROBIAL & BIOCHEM TECHNOL,MADISON,WI 53705
[2] UNIV WISCONSIN,DEPT BACTERIOL,MADISON,WI 53706
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 1995年 / 92卷 / 16期
关键词：
D O I：
10.1073/pnas.92.16.7465
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A 1747-bp insertion within a lignin peroxidase allele of Phanerochaete chrysosporium BKM-F-1767 is described. Pce1, the element, lies immediately adjacent to the fourth intron of lipI2. Southern blots reveal the presence of Pce1-homologous sequences in other P, chrysosporium strains. Transposon-like features include inverted terminal repeats and a dinucleotide (TA) target duplication. Atypical of transposons, Pce1 is present at very low copy numbers (one to five copies), and conserved transposase motifs are lacking. The mutation transcriptionally inactivates lipI2 and is inherited in a 1:1 Mendelian fashion among haploid progeny, Thus, Pce1 is a transposon-like element that may play a significant role in generating ligninolytic variation in certain P. chrysosporium strains.
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页码：7465 / 7469
页数：5
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