Ebstein anomaly is a rare malformation of the tricuspid valve of the heart. The malformed tricuspid valve may be incompetent, stenotic, or rarely, imperforate. Pregnant patients with Ebstein anomaly become a challenge for the physician in terms of management.
View Article and Find Full Text PDFThe biological paradox about how extremophiles persist at extreme ecological conditions throws a fascinating picture of the enormous potential of a single cell to adapt to homeostatic conditions in order to propagate. Unicellular organisms face challenges from both environmental factors and the ecological niche provided by the host tissue. Although the existence of extremophiles and their physiological properties were known for a long time, availability of whole genome sequence has catapulted the study on mechanisms of adaptation and the underlying principles that have enabled these unique organisms to withstand evolutionary and environmental pressures.
View Article and Find Full Text PDFInt J Biol Macromol
May 2008
This is the first report on the identification and partial characterization of phospholipase D (EC 3.1.4.
View Article and Find Full Text PDFThe lone oligosaccharide chain of stem bromelain was oxidized with periodic acid to generate aldehyde groups and the resulting oxidized enzyme coupled to amino-Sepharose in order to obtain an immobilized preparation with uniformly oriented enzyme. The immobilized bromelain exhibited high proteolytic activity and remarkably enhanced thermal stability as compared to soluble bromelain and that coupled to CNBr activated Sepharose.
View Article and Find Full Text PDFPhospholipase D (PLD) activity has been identified in some new plant sources i.e. Brassica juncea (mustard) seeds, Zingibar officinale (ginger) rhizomes and Azadirachta indica (neem) leaves with the aim of identifying PLDs that possess high catalytic activity and stability.
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