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In this lecture ´´Actinobacteria´´ is explained. Section one is about ‘‘Order Actinomycetales’’. Section two is about ''Suborders of Actinomycetales''. Section three is about ''Propionibacterineae and Streptomycineae''. Section four is about ''Streptosporangineae and Frankineae''. Section five is about ''Order Bifidobacteriales''.
Initially, educator gives introduction to actinobacteria. After that classification of phylum actinobacteria is elaborated. Then comprehensive discussion continues on structure of actinomycetes. Subsequently, educator focuses spore formation and cell wall.
Suborders of Actinomycetales
Educator's prime emphasis is on suborder actinomycineae. After that suborder micrococcineae is focused. Likewise, suborder corynebacterineae comes under consideration. Moving onward, educator talks about suborder micromonosporineae.
Propionibacterineae and Streptomycineae
At first, suborder propionibacterineae is discussed. Following this, suborder streptomycineae is explained in detail. Suborder streptomycineae is very important ecologically and medically.
Streptosporangineae and Frankineae
Educator begins this part by elucidating suborder streptosporangineae. Suborder streptosporangineae produce the sugar derivative madurose (3-0-methyl-o-galactose). Next, suborder frankineae is discussed. Educator also tells that frankia symbionts bacteria and fix nitrogen efficiently.
Earlier in this section, morphology is pursued. Gram-positive rods are of varied shapes, slightly curved and clubbed. Then educator gives information about pathogenic and non-pathogenic. An interesting information is also revealed that Bifidobacterium species are sold as probiotic agents (particularly in yogurt).