Mycoplasma agalactiae: Difference between revisions

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| namegenus = ''Mycoplasma agalactiae ''

| domainspecies = [[Bacteria]]agalactiae

'''''Mycoplasma agalactiae ''''' is a [[species]] of [[bacteria]] in the genus '''[[Mycoplasma']]''. This [[genus]] of [[bacteria]] lacks a [[cell wall]] around their [[cell membrane]].<ref name=Sherris>{{cite book | authoreditor = Ryan KJ, Ray CG (editors) | title = Sherris Medical Microbiology | pages=409–12 |edition = 4th | publisher = McGraw Hill | year = 2004 | isbn = 978-0-8385-8529-90}}</ref> Without a cell wall, they are unaffected by many common [[antibiotics]] such as [[penicillin]] or other [[beta-lactam]] antibiotics that target cell wall synthesis. Mycoplasma are the smallest bacterial cells yet discovered,<ref>{{citeCite web |date=2017-05-07 book|title=Infectious4.4D: DiseasesMycoplasmas ofand theOther FemaleCell-Wall-Deficient GenitalBacteria Tract|url=https://bio.libretexts.org/Bookshelves/Microbiology/Microbiology_(Boundless)/04%3A_Cell_Structure_of_Bacteria_Archaea_and_Eukaryotes/4.04%3A_Cell_Walls_of_Prokaryotes/4.4D%3A_Mycoplasmas_and_Other_Cell-Wall-Deficient_Bacteria |access-date=2023-06-06 publisher|website=Lippincott WilliamsBiology &LibreTexts Wilkins, 2009|language=en}}</ref> authorMycoplasma =are Richardthe L.smallest Sweet,bacterial Ronaldcells S.yet Gibbs}}</ref>discovered, can survive without oxygen and are typically about 0.1&nbsp;1–0.3 [[µmμm]] in diameter.<ref>{{Cite journal |last1=Benedetti |first1=Francesca |last2=Curreli |first2=Sabrina |last3=Zella |first3=Davide |date=4 September 2020 |title=Mycoplasmas–Host Interaction: Mechanisms of Inflammation and Association with Cellular Transformation |journal=[[Microorganisms]] |language=en |volume=8 |issue=9 |pages=1351 |doi=10.3390/microorganisms8091351 |issn=2076-2607 |pmc=7565387 |pmid=32899663 |doi-access=free }}</ref>

It canis bethe presentmain inagent theof [[milk]]contagious agalactia, a syndrome causing clinical signs of [[sheep]]mastitis, conjunctivitis, and [[goat]]sarthritis andin small ruminants.<ref>{{Cite web |title=Contagious Agalactia in Small Ruminants - Reproductive System |url=https://www.merckvetmanual.com/reproductive-system/contagious-agalactia/contagious-agalactia-in-small-ruminants |access-date=2023-06-06 |website=Merck Veterinary Manual |language=en-US}}</ref> It can causebe [[mastitis]]present in thetheir animal[[milk]].<ref name="TolaAngioi1997">{{cite journal|last1=Tola|first1=S.|last2=Angioi|first2=A.|last3=Rocchigiani|first3=A. M.|last4=Idini|first4=G.|last5=Manunta|first5=D.|last6=Galleri|first6=G.|last7=Leori|first7=G.|title=Detection of Mycoplasma agalactiae in sheep milk samples by polymerase chain reaction|journal=Veterinary Microbiology|volume=54|issue=1|year=1997|pages=17–22|issn=0378-1135|doi=10.1016/S0378-1135(96)01269-2|pmid=9050167}}</ref><ref name="Chávez GonzálezBascuñana1995">{{cite journal|last1=Chávez González|first1=Yleana R.|last2=Bascuñana|first2=Carlos Ros|last3=Bölske|first3=Göran|last4=Mattsson|first4=Jens G.|last5=Molina|first5=Carmen Fernández|last6=Johansson|first6=Karl-Erik|title=In vitro amplification of the 16S rRNA genes from Mycoplasma bovis and Mycoplasma agalactiae by PCR|journal=Veterinary Microbiology|volume=47|issue=1-21–2|year=1995|pages=183–190|issn=0378-1135|doi=10.1016/0378-1135(95)00058-I|pmid=8604550}}</ref> At least eleven strains of this species have been characterized.<ref name="SolsonaLambert1996">{{cite journal|last1=Solsona|first1=Michel|last2=Lambert|first2=Maurice|last3=Poumarat|first3=François|title=Genomic, protein homogeneity and antigenic variability of Mycoplasma agalactiae|journal=Veterinary Microbiology|volume=50|issue=1-21–2|year=1996|pages=45–58|issn=0378-1135|doi=10.1016/0378-1135(95)00200-6|pmid=8810007}}</ref> In serious outbreaks with infections with this pathogen, whole herds have been lost.<ref name="DaMassaWakenell1992">{{cite journal|last1=DaMassa|first1=A. J.|last2=Wakenell|first2=P. S.|last3=Brooks|first3=D. L.|title=Mycoplasmas of Goats and Sheep|journal=Journal of Veterinary Diagnostic Investigation|volume=4|issue=1|year=1992|pages=101–113|issn=1040-6387|doi=10.1177/104063879200400126|pmid=1554763|doi-access=free}}</ref>

The type strain is strain PG2 = CIP 59.7 = NCTC 10123.<ref name=Parte>{{cite web | title = Mycoplasma |publisher=LPSN, bacterio.netLPSN| url = httphttps://wwwlpsn.bacteriodsmz.netde/genus/mycoplasma.html | accessdateaccess-date = 2015-04-17 | first = A. C. | last = Parte }}</ref>

* [[Veterinary pathology]]

* [[Mastitis]]

[[Category:BacterialAnimal bacterial diseases]]