期刊
COMPARATIVE IMMUNOLOGY MICROBIOLOGY AND INFECTIOUS DISEASES
卷 32, 期 2, 页码 139-161出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cimid.2007.11.006
关键词
Transgenic fish; Pleiotropic effects; Disease resistance; Gene expression; Environment; Sterilization
Transgenic fish have been produced that have improved growth, disease resistance, survival in cold and body composition, have altered color, that can act as bioindicators for estrogenic pollutants and that can produce pharmaceutical proteins. The largest amount of transgenic research has focused on growth hormone transfer. A relatively small amount of research has focused on enhancing disease resistance, but significant enhancement has been accomplished. Pleiotropic effects from the transfer of other transgenes, particularly growth hormone gene can alter disease resistance in both positive and negative ways. Most negative effects for all transgenes appear to lower fitness traits, which is positive for biological containment. Transgenic fish appear to pose little environmental risk, but this research is not fully conclusive. To expedite commercialization and minimize environmental risk, transgenic sterilization research is underway. A large amount of functional genomics research has resulted in a much better understanding of gene expression when fish are experiencing disease epizootics. This information may allow the future design of more effective transgenic approaches to address disease resistance. (C) 2008 Elsevier Ltd. All rights reserved.
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