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Purification, characterization and functional role of lectin from green tiger shrimp Penaeus semisulcatus

International Journal of Biological Macromolecules, ISSN: 0141-8130, Vol: 67, Page: 64-70
2014
  • 19
    Citations
  • 0
    Usage
  • 27
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    19
    • Citation Indexes
      19
  • Captures
    27

Review Description

The present study reports the purification and characterization of immune molecule lectin from the green tiger shrimp Penaeus semiculcatus, which involves the non-self-recognition mechanism to destroy the infectious pathogens that continuously threaten their survival. P. semisulcatus lectin ( Ps- Lec) was purified by affinity chromatography with mannose coupled sepharose CL-4B column and showed the 37 and 118 kDa subunits in SDS-PAGE. The surface morphology of purified Ps -Lec exhibits the crystalline and aggregated nature in Transmission electron microscopy (TEM) analysis. Functional analysis of purified Ps- Lec showed that the broad spectrum of bacterial agglutination activity against Gram-positive and Gram-negative bacteria. In addition, Ps -Lec had the ability to involve in the haemoagglutination activity, which agglutinates the several vertebrate erythrocytes tested, and the haemagglutination titres were observed under light microscopy. Interestingly, Ps -Lec also exhibits the fungal aggregation activity against Candida albicans, this is the first report regarding the β-glucan recognition ability of fungal aggregation of Ps -Lec. Moreover, phenoloxidase activity was triggered by the Ps- Lec when compared to control. The present study reveals that Ps -Lec is an important multifunctional humoral defence protein plays a significant role against the bacterial and fungal cells.

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