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Pakistan Journal of Biological Sciences
  Year: 2007 | Volume: 10 | Issue: 1 | Page No.: 117-121
DOI: 10.3923/pjbs.2007.117.121
 
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Export of the HR Eliciting Protein, HarpinES, of the Maize Pathogen Erwinia stewartii is Species-Specific but is Independent of the Growth Temperature

Musharaf Ahmad, Syed Sartaj Alam, Shah Alam, Amjad Usman and David L. Coplin

Abstract:
The extra-cellular export of the HR-eliciting protein, HarpinEs of the maize pathogen Erwinia stewartii was studied to find out if the protein needs any species-specific signal for its export and to determine if the export of the protein to the medium is affected in any way by the growth temperature. Based upon the experimental evidence, it was proved that the protein (i.e., HarpinEs) does require its own export system (species-specific) to get out of the bacterial cell and can not be exported by the export system of even the very closely related bacterium, Erwinia amylovora. It was also found that the export of HarpinEs is, unlike the case of HarpinEa (HR-eliciting protein of Erwinia amylovora), independent of the growth temperature.
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How to cite this article:

Musharaf Ahmad, Syed Sartaj Alam, Shah Alam, Amjad Usman and David L. Coplin, 2007. Export of the HR Eliciting Protein, HarpinES, of the Maize Pathogen Erwinia stewartii is Species-Specific but is Independent of the Growth Temperature. Pakistan Journal of Biological Sciences, 10: 117-121.

DOI: 10.3923/pjbs.2007.117.121

URL: https://scialert.net/abstract/?doi=pjbs.2007.117.121

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