Bacteriome: Difference between revisions
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{{Short description|Specialized insect organ that hosts endosymbiotic bacteria}} |
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{{Distinguish|microbiome}} |
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A '''bacteriome''' is a specialized organ, found mainly in some [[insect]]s, that hosts [[endosymbiotic]] [[bacteria]]. |
A '''bacteriome''' is a specialized organ, found mainly in some [[insect]]s, that hosts [[endosymbiotic]] [[bacteria]]. |
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Bacteriomes contain specialized cells, called [[bacteriocyte]]s, that provide nutrients and shelter to the bacteria while protecting the host animal. |
Bacteriomes contain specialized cells, called [[bacteriocyte]]s, that provide nutrients and shelter to the bacteria while protecting the host animal. |
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In exchange, the bacteria provide essentials like [[vitamins]] and [[amino acid]]s to the host insect. Bacteriomes also protect the bacteria from the host's [[immune system]], with insects secreting [[antimicrobial peptides]] such as the [[wikt:coleoptericin | coleoptericin]] secreted by [[weevils]] to keep bacteria within the bacteriome.<ref>{{cite journal |last1=Masson |first1=Florent |last2=Zaidman-Rémy |first2=Anna |last3=Heddi |first3=Abdelaziz |title=Antimicrobial peptides and cell processes tracking endosymbiont dynamics |journal=Philosophical Transactions: Biological Sciences |date=26 May 2016 |volume=371 |issue=1695 |pages=1–9 |doi=10.1098/rstb.2015.0298 |jstor=24768785 |pmid=27160600 |pmc=4874395 }}</ref> |
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In exchange, the bacteria provide essentials like [[vitamins]] and [[amino acid]]s to the host insect. |
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Some insects, like the [[glassy-winged sharpshooter]], host more than one species of [[bacteria]].<ref> |
Some insects, like the [[glassy-winged sharpshooter]], host more than one species of [[bacteria]].<ref>{{cite web |url=http://www.physorg.com/news69083472.html |title=Three-Way Symbiosis Supplies Insect Pest With Well-Rounded Diet |first=Mari N. |last=Jensen |date=9 June 2006 |publisher=Phys.org}}</ref> In [[armored scale insect]]s, bacteriomes have unique [[Genetics|genetic]] and sexual properties. For example, they have five copies of each [[chromosome]]—including two copies of the mother's complete [[genome]].<ref>{{cite journal |pmc=368156 |title=The Strange Case of the Armored Scale Insect and Its Bacteriome |journal=PLOS Biology |volume=2 |issue=3 |pages=e43 |doi=10.1371/journal.pbio.0020043|pmid=15024412 |year=2004 |last1=Normark |first1=Benjamin B. |doi-access=free }}</ref> |
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For example, they have five copies of each [[chromosome]]—including two copies of the mother's complete [[genome]].<ref>[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC368156/ The Strange Case of the Armored Scale Insect and Its Bacteriome]</ref>] |
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== See also == |
== See also == |
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* [[Trophosome]] |
* [[Trophosome]] — organ found in some marine worms that contain symbiotic, chemosynthetic bacteria |
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==References== |
==References== |
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<references/> |
<references/> |
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{{Self-replicating organic structures}} |
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[[Category:Insect anatomy]] |
[[Category:Insect anatomy]] |
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Latest revision as of 18:18, 29 June 2024
A bacteriome is a specialized organ, found mainly in some insects, that hosts endosymbiotic bacteria. Bacteriomes contain specialized cells, called bacteriocytes, that provide nutrients and shelter to the bacteria while protecting the host animal. In exchange, the bacteria provide essentials like vitamins and amino acids to the host insect. Bacteriomes also protect the bacteria from the host's immune system, with insects secreting antimicrobial peptides such as the coleoptericin secreted by weevils to keep bacteria within the bacteriome.[1]
Some insects, like the glassy-winged sharpshooter, host more than one species of bacteria.[2] In armored scale insects, bacteriomes have unique genetic and sexual properties. For example, they have five copies of each chromosome—including two copies of the mother's complete genome.[3]
See also
[edit]- Trophosome — organ found in some marine worms that contain symbiotic, chemosynthetic bacteria
References
[edit]- ^ Masson, Florent; Zaidman-Rémy, Anna; Heddi, Abdelaziz (26 May 2016). "Antimicrobial peptides and cell processes tracking endosymbiont dynamics". Philosophical Transactions: Biological Sciences. 371 (1695): 1–9. doi:10.1098/rstb.2015.0298. JSTOR 24768785. PMC 4874395. PMID 27160600.
- ^ Jensen, Mari N. (9 June 2006). "Three-Way Symbiosis Supplies Insect Pest With Well-Rounded Diet". Phys.org.
- ^ Normark, Benjamin B. (2004). "The Strange Case of the Armored Scale Insect and Its Bacteriome". PLOS Biology. 2 (3): e43. doi:10.1371/journal.pbio.0020043. PMC 368156. PMID 15024412.
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