期刊
DEVELOPMENTAL BIOLOGY
卷 228, 期 2, 页码 197-210出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/dbio.2000.9945
关键词
expression cloning; Xenopus; development; gene function; apoptosis; neural; mesoderm; pigmentation
We have conducted an expression cloning screen of approximately 50,000 cDNAs from a tadpole stage Xenopus laevis cDNA library to functionally identify genes affecting a wide range of cellular and developmental processes. Fifty-seven cDNAs were isolated for their ability to alter gross tadpole morphology or the expression patterns of tissue-specific markers. Thirty-seven of the cDNAs have not been previously described for Xenopus, and 15 of these show little or no similarity to sequences in the NCBI database. The screen and the identified genes are presented in this paper to demonstrate the power, ease, speed, and flexibility of expression cloning in the X. laevis embryo. Future screens such as this one can be done on a larger scale and will complement the sequence-based screens and genome-sequencing projects which are producing a large body of novel genes without ascribed functions. (C) 2000 Academic Press.
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