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Journal Article Abstracts

Kumar, T; Majumdar, A; Das, P; Sarafis, V; Ghose, M. 2008. Trypan blue as a fluorochrome for confocal laser scanning microscopy of arbuscular mycorrhizae in three mangroves. BIOTECHNIC & HISTOCHEMISTRY. 83(3-4):153-159.

Address:

Kumar, T, Indian Stat Inst, Agr & Ecol Res Unit, 203 BT Rd, Calcutta 700108, India

Roots of three mangroves, Acanthus ilicifolius, Ceriops tagal and Excoecaria agallocha, collected from forests of the Sundarbans of India were stained with trypan blue to observe arbuscular mycorrhizal colonization. Spores of arbuscular mycorrhizal fungi isolated from rhizospheric soil, collected together with the root samples, also were stained for testing the suitability of the dye as a fluorochrome. Confocal laser scanning microscopy images were constructed. A. ilicifolius and E. agallocha exhibited Arum type colonization with highly branched arbuscules, whereas C. tagal showed Paris type association with clumped and collapsed arbuscules. We demonstrated that trypan blue is a suitable fluorochrome for staining arbuscular mycorrhizal fungal spores, fungal hyphae, arbuscules and vesicles, which presumably have a considerable amount of surface chitin. It appears that as the integration of chitin into the fungal cell wall changes, its accessibility to trypan blue dye also changes.

 

 
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