biologia plantarum

International journal on Plant Life established by Bohumil Nìmec in 1959

Biologia plantarum 52:361-364, 2008 | DOI: 10.1007/s10535-008-0075-7

Expression of tea cytosolic glutamine synthetase is tissue specific and induced by cadmium and salt stress

N. K. Rana1, P. Mohanpuria1, S. K. Yadav1,*
1 Biotechnology Division, Institute of Himalayan Bioresource Technology (CSIR), Palampur, India

Glutamine synthetase (GS) showed highest expression and activity in bud (youngest topmost leaf) of Camellia sinensis, lower in older leaves, while lowest activity in stem and roots. GS expression and activity was increased by ammonium and nitrate and also by cadmium and salt stress but decreased by copper, aluminum, drought, cold and heat stress.

Keywords: abiotic stress; Camellia sinensis; metal stress; N-source
Subjects: Camellia sinensis; glutamine synthetase; heavy metals; in vitro culture, growth control; nitrogen supply

Received: August 2, 2006; Accepted: January 20, 2007; Published: June 1, 2008  Show citation

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Rana, N.K., Mohanpuria, P., & Yadav, S.K. (2008). Expression of tea cytosolic glutamine synthetase is tissue specific and induced by cadmium and salt stress. Biologia plantarum, 52(2), 361-364. doi: 10.1007/s10535-008-0075-7
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