Endospores are dormant structures formed in various bacteria under unfavourable conditions. Their size is irregular and highly refractile and heat-resistant.

Bacteriology Microbiology

Ziehl Neelsen staining method

October 16, 2021October 16, 2021 Gaurav Singh 0 Comments bacteria, bacteria identification, differentiation staining, microbiology, mycobacterium, mycobacterium staining, staining, Ziehl neelsen staining, ZN staining

Ziehl Neelsen staining method is commonly used for staining of acid fast bacteria. In Mycobacterium and some species of Nocardia,

Bacteriology Microbiology

Acid fast staining of Mycobacterium

October 16, 2021October 16, 2021 Gaurav Singh 0 Comments Acid fast staining, bacteria, differential staining, microbiology, mycobacterium, mycobacterium staining, staining

Certain bacteria (Mycobacterium spp.) and actinomycetes have waxy components of the cell wall, hence their cell wall has limited permeability.

Bacteriology Microbiology

Gram’s Staining for differentiation of bacteria

October 14, 2021October 14, 2021 Gaurav Singh 0 Comments bacteria identification, differentiation staining, Grams staining, microbiology, staining

Gram’s staining is one of the most important differential techniques used in bacteriology. There are two groups: gram positive and