bacterial endospore Archives - Online Biology Notes A Complete notes for Students Tue, 18 Dec 2018 16:31:18 +0000 en-US hourly 1 Difference between Vegetative cell and Endospore https://www.onlinebiologynotes.com/difference-vegetative-cell-endospore/ Fri, 21 Jul 2017 00:58:11 +0000 http://www.onlinebiologynotes.com/?p=512 Difference between Vegetative cell and Endospore Characteristics Vegetative cell Endospore Structure mostly Gram +ve rod, few are Gram -ve Thick spore cortex, spore coat and [...]

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Characteristics

Vegetative cell

Endospore
Structure mostly Gram +ve rod, few are Gram -ve Thick spore cortex, spore coat and exosporium
Phage of growth  

Metabolically active, growing phase

 Inactive or dormant phase
 

Under Microscopic examination

 Non-refractile Refractile
 

Calcium content (concentration)

 Low High
Dipicolonic acid Absent Present in high concentration
Enzymatic activity High Low
Metabolism rate
  High Low/ Absent
Oxygen uptake High low
 

Macro-molecule synthesis

 Present Absent
mRNA Present Absent
Water content High (80-90%) Low (10-25%)
Stain by dye Stainable Difficult to stain; stained only with specific stain
Action of lysososme Sensitive Resistant
 

SASP (small acid soluble protein)

 Absent Present
Cytoplasmic pH Neutral (7.0) Acidic ( 5.5 – 6)
Heat resistance Low High
 

Resistant to chemical and acids

 Low High

Difference between Vegetative cell and Endospore

 

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