1. During spore formation bacteria form an impermeable coat around the genetic material and some protoplasm ( Fig . 5 ) .

2. However, both events (spore formation and fertilization) are necessary to complete sexual reproduction in the plant life cycle.

3. Abstriction (countable and uncountable, plural Abstrictions) (biology, mycology) A method of spore formation in fungi in which successive portions of the sporophore are cut …

4. Cyanobacteria reproduce asexually, either by means of binary or multiple fission in unicellular and colonial forms or by fragmentation and spore formation in filamentous species

5. Among the non-sporangiate actinomycetes five types of aerial spore formation are discussed, the Streptomyces-type, Microbispora-type, Thermomonospora-type, Pseudonocardia-type, and the formation of spores described by Krassilnikov and Agre for two species of Thermopolyspora.