What are the stages of sporulation?

Stages of sporulation:

• Stage 0.
• Stage I: Axial filament formation stage.
• Stage II: forespore formation.
• Stage III: engulfment of forespore.
• Stage IV: synthesis of exosporium.
• Stage V: synthesis of dipicolonic cacid.

What is a sporulation?

Definition of sporulation : the formation of spores especially : division into many small spores (as after encystment)

What is sporulation and examples?

They are thick-walled spores produced directly from hyphal cells. They may be terminal or intercalary. They store reserve food material and are capable of withstanding long unfavourable conditions. For example, Rhizopus, Agaricus (mushroom), etc.

What are the 3 steps of a spore returning to its vegetative state?

The structure and composition of spores and their metabolic inactivity is responsible for the long dormancy and resistance to heat and desiccation. The process of conversion of the endospore to vegetative cell involves three steps: activation, germination, and outgrowth.

What happens in stage 2 of sporulation?

During sporulation, B. subtilis divides asymmetrically, resulting in two unequal-size cells, the smaller prespore and the larger mother cell. Following sporulation division, conventionally designated stage II, gene expression becomes compartmentalized.

What happens at Stage 2 of sporulation?

Stage II is the first sporulation stage that is morphologically identifiable and is characterized by the appearance of a forespore septum which divides the cell asymetrically into a small forespore and a larger mother cell.

Why is multiple fission described as sporulation?

In case of food scarcity amoeba undergoes multiple fission by secreting a chitinous cyst around it and becoming inactive. Inside cyst, nucleus repeatedly divides to form several daughter nuclei and forming amoebula. In unfavorable conditions, amoeba multiplies by sporulation without encystment called sporulation.

What is endospore and explain the sporulation process?

An endospore is a dormant, tough, and non-reproductive structure produced by some bacteria in the phylum Firmicutes. In endospore formation, the bacterium divides within its cell wall, and one side then engulfs the other. Endospores enable bacteria to lie dormant for extended periods, even centuries.

What happens during sporulation?

Sporulation is the formation of nearly dormant forms of bacteria . In a limited number of bacteria, spores can preserve the genetic material of the bacteria when conditions are inhospitable and lethal for the normal (vegetative) form of the bacteria.

What is Endospore and explain the sporulation process?

How are Endospore formed?

Endospore formation is usually triggered by lack of nutrients, and usually occurs in Gram-positive bacteria. In endospore formation, the bacterium divides within its cell wall. One side then engulfs the other. Endospores enable bacteria to lie dormant for extended periods, even centuries.

What is difference between sporulation and multiple fission?