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BioMed Research International
Volume 2015, Article ID 510319, 8 pages
http://dx.doi.org/10.1155/2015/510319
Review Article

Roles of Hsp70s in Stress Responses of Microorganisms, Plants, and Animals

1Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
2Yunnan Key Laboratory for Wild Plant Resources, Kunming, Yunnan 650201, China
3Key Laboratory of Tropical Plant Resource and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
4Yangjiang Forestry Administration, Dali, Yunnan 672401, China

Received 28 August 2015; Accepted 18 October 2015

Academic Editor: Sidi Chen

Copyright © 2015 Anmin Yu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Hsp70s (heat shock protein 70s) are a class of molecular chaperones that are highly conserved and ubiquitous in organisms ranging from microorganisms to plants and humans. Most research on Hsp70s has focused on the mechanisms of their functions as molecular chaperones, but recently, studies on stress responses are coming to the forefront. Hsp70s play key roles in cellular development and protecting living organisms from environmental stresses such as heat, drought, salinity, acidity, and cold. Moreover, functions of human Hsp70s are related to diseases including neurological disorders, cancer, and virus infection. In this review, we provide an overview of the specific roles of Hsp70s in response to stress, particularly abiotic stress, in all living organisms.