Molecular Cloning and Expression Pattern Analyses of Heat Shock Protein 70 Genes from Nicotiana tabacum

We have isolated three genomic clones that code tobacco HSP70s, using a tobacco hsp70 cDNA clone as a probe. NtHSP70-1, NtHSP70-2, and NtHSP70-3 contain full open reading frames of 653, 653, and 648 amino acid residues, respectively. All share three conserved regions, namely the C-terminal substrate...

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Published inJournal of plant biology = Singmul Hakhoe chi Vol. 47; no. 2
Main Author Cho, E.K.;Hong, C.B.(Seoul National University, Seoul, Republic of Korea)E-mail:hcb@snu.ac.kr
Format Journal Article
LanguageEnglish
Subjects
abiotic stress
ESTRES
expression pattern
genomic clones
heat shock protein 70
HORMONAS
HORMONE
hormone response
HORMONES
Nicotiana tabacum
STRESS
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Summary:We have isolated three genomic clones that code tobacco HSP70s, using a tobacco hsp70 cDNA clone as a probe. NtHSP70-1, NtHSP70-2, and NtHSP70-3 contain full open reading frames of 653, 653, and 648 amino acid residues, respectively. All share three conserved regions, namely the C-terminal substrate binding domain, oligomerization domain, and N-terminal ATPase domain. In a comparison of their amino acid sequences, NtHSP70-1 and NtHSP70-2 were very similar to each other, while NtHSP70-3 showed significant differences, instead being highly homologous to the cytosolic HSP70 members of Arabidopsis thaliana and other plant species.
Bibliography:F30
2005009687
ISSN:1226-9239
1867-0725