The main difference between spore and also endospore is the spore is an energetic reproductive framework mainly produced by plants and fungi vice versa, endospore is a dormant, non-reproductive structure of bacteria.

You are watching: How do mold spores differ from bacterial endospores

Furthermore, biology produce more than one spore at a time when a bacterium produces a single endospore.

Spore and also endospore room two resistant frameworks living biology produce. Both are capable of giving rise to a brand-new individual.

Key areas Covered

1. What is a Spore – Definition, Structure, Role2. What is an Endospore – Definition, Structure, Role3. What space the Similarities in between Spore and also Endospore – outline of common Features4. What is the Difference between Spore and Endospore – comparison of key Differences

Key Terms

Endospore, Reproductive Structures, Resistant, Spore, Unfavorable Conditions


What is a Spore

A spore is a reproductive cell the is dormant and also resistant come extreme ecological conditions. When the eco-friendly conditions end up being favorable, a spore have the right to germinate to produce a new individual. However, that does no undergo the combination of gametes throughout the formation of a new individual. Moreover, both asexual and sexual reproduction can create spores. Therefore, spore formation is a type of reproduction in life organisms, mainly including plants, fungi, algae, and bacteria.


Figure 1: Fungal Spores

In organisms through an change of generations in between haploid and also diploid phases, spores room usually haploid and produced by meiosis in the sporangium that a diploid sporophyte. Following germination, it produces a multicell gametophyte by undergoing mitosis. Furthermore, in plants, spores stand for the asexual generation. Besides, the 2 main types of spores the angiosperms and gymnosperms type are microspores, which offer rise to the masculine gametophyte, and macrospores, which give rise to the female gametophyte.

What is an Endospore

An endospore is a highly resistant and also dormant structure formed in an answer to unfavorable eco-friendly conditions. Particular bacteria native the phylum Firmicutes including Bacillus and Clostridium produce endospores. However, together endospores room not reproductive structures, they execute not produce an offspring.

Generally, endospore-forming bacteria space Gram-positive, and lack of nutrient is the key reason that triggers endospore formation. Moreover, endospores room resistant to heat, desiccation, chemicals, and radiation. They permit bacteria come lie dormant for lengthy periods. Through favorable eco-friendly conditions, endospores revert themselves right into the vegetative state.


Figure 2: Bacteria Endospores

Moreover, endospore development is marked by the surrounding of the replicated DNA by a spore septum. Therefore, the main contents of an endospore are the bacterium’s DNA, ribosomes and huge amounts the dipicolinic acid. Here, dipicolinic acid is a chemical compound responsible for allowing the heat tolerant nature that the endospore. Furthermore, it forms a facility with calcium ions, which binds v water molecules, dehydrating the endospore. Additionally, this complicated protects the DNA within the endospore.

Similarities in between Spore and also Endospore

Spore and endospore are two species of resistant structures responsible for producing a new individual there is no undergoing the blend of gametes.Both kind in response to unfavorable eco-friendly conditions.They are very resistant frameworks to environmental conditions such as heat, desiccation, chemicals, and radiation.Also, both are dormant and also do no show any metabolic activity.

Difference between Spore and also Endospore


Spore refers to a minute, generally one-celled, reproductive unit qualified of giving rise to a new individual without sex-related fusion, characteristics of reduced plants, fungi, and also protozoans while an endospore describes a resistant asexual spore that establishes inside part bacteria cells. Thus, this is the main difference between spore and also endospore.

Reason for Production

Furthermore, spores are formed as a result of either sex-related or asexual reproduction while endospores are created to survive during unfavorable conditions.

Method of Production

While spores are developed by meiosis, endospores are formed by neighboring the replicated DNA through a spore septum.

Reproductive or Non-Reproductive

Another difference between spore and endospore is the spores space reproductive cells while endospores space non-reproductive.


Additionally, organisms produce much more than one spore at a time when a bacter produces a single endospore. Hence, this is also a difference in between spore and endospore.

Types the organisms

Plants, fungi, algae, and bacteria produce spores while part genera of bacteria consisting of Bacillus produce endospores.


Moreover, an important difference between spore and endospore is your function. Spores have actually a function in reproduction while endospores room responsible for the survival of bacteria during unfavorable conditions.


A spore is a reproductive structure developed by plants, fungi, algae, and also bacteria as a an outcome of either asexual or sex-related reproduction. Castle are mainly haploid and are created by meiosis. ~ above germination, they offer rise come a new individual of the species. On the various other hand, endospore is a non-reproductive framework of certain bacteria produced in solution to unfavorable ecological conditions. They protect the genetic material because that a long period of time and also revert earlier to the vegetative stage under favorable conditions. Therefore, the key difference between spore and endospore is their role.

See more: Meaning Of (I'M So Hungry I Can Eat A Horse In English, I Could Eat A Horse


1. “Spore.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., 7 Feb. 2019, easily accessible Here.2. “Bacterial Endospores.” department of Microbiology, Cornell University, easily accessible Here.

Image Courtesy:

1. “Morelasci” by Peter G. Werner – Own occupational (CC by 3.0) via Commons Wikimedia 2. “OSC Microbio 02 04 Endospores” by CNX OpenStax (CC by 4.0) via Commons Wikimedia