{"id":39800,"date":"2020-08-03T22:43:00","date_gmt":"2020-08-03T19:43:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/researchers-discover-how-chlamydiae-multiply-in-human-cells\/"},"modified":"2020-08-03T22:43:00","modified_gmt":"2020-08-03T19:43:00","slug":"researchers-discover-how-chlamydiae-multiply-in-human-cells","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/researchers-discover-how-chlamydiae-multiply-in-human-cells\/","title":{"rendered":"#Researchers discover how chlamydiae multiply in human cells"},"content":{"rendered":"

“#Researchers discover how chlamydiae multiply in human cells<\/strong>”<\/p>\n

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\"Researchers<\/img>
\n Resting Chlamydia (left; bright circles), which are held without glutamine. After the addition of glutamine (right) the bacteria enter the division stages (darker circles). Credit: Lehrstuhl f\u00fcr Mikrobiologie \/ Universit\u00e4t W\u00fcrzburg
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Chlamydia are bacteria that cause venereal diseases. In humans, they can only survive if they enter the cells. This is the only place where they find the necessary metabolites for their reproduction. And this happ<\/a>ens in a relatively simple way: The bacteria create a small bubble in the cell and divide in it over several generations.<\/p>\n

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What is the decisive step that initiates the reproduction of the bacteria? It has not been known so far. Researchers from Julius-Maximilians-Universit\u00e4t W\u00fcrzburg (JMU) in Bavaria, Germany, have now discovered it. This is important because the first step in the reproduction of the pathogens is likely to be a good target for drugs.<\/p>\n

Glutamine import into the host cell increases<\/b>
\nIn the case of chlamydia, the first step is to reprogram the metabolism of their human host cells. The cells then increasingly import the amino acid glutamine from their environment. If this does not work, for example because the glutamine import system is out of order, the bacterial pathogens are no longer able to proliferate. This was reported by a JMU team led by Dr. Karthika Rajeeve, who has meanwhile been awarded a professorship at the Aarhus University in Denmark, and Professor Thomas Rudel in the journal Nature Microbiology<\/i>.
\n“Chlamydiae need a lot of glutamine to synthesize the ring-shaped molecule peptidoglycan,” explains Professor Rudel, who heads the Chair of Microbiology at the JMU Biocenter. In bacteria, this ring molecule is general<\/a>ly a building material of the cell wall. Chlamydiae use it for the construction of a new wall that is drawn into the bacterial cell during division.
\nNext, the JMU team hopes to clarify the importance of the glutamine metabolism in chronic chlamydiae infections. This might provide information that might help to better understand the development of severe diseases as a result of the infection.
\nFacts about chlamydia<\/b>
\nChlamydiae cause most venereal diseases in Germany. The bacteria are sexually transmitted and can cause inflammation in the urethra, vagina or anal area. If an infection is detected in time, it can be treated well with antibiotics.
\nAround 130 million people worldwide are infected with chlamydia. The biggest problem is that the infection usually proceeds without noticeable symptoms. This makes it easier for the pathogen to spread, this leads to severe or chronic diseases such as cervical and ovarian cancer.<\/p>\n

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More information:<\/strong>
\n Karthika Rajeeve et al, Reprogramming of host glutamine metabolism during Chlamydia trachomatis infection and its key role in peptidoglycan synthesis, Nature Microbiology<\/i> (2020). DOI: 10.1038\/s41564-020-0762-5\n <\/div>\n

\n Citation<\/strong>:
\n Researchers discover how chlamydiae multiply in human cells (2020, August 3)
\n retrieved 3 August 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-08-chlamydiae-human-cells.html<\/p>\n

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“#Researchers discover how chlamydiae multiply in human cells” Resting Chlamydia (left; bright circles), which are held without glutamine. After the addition of glutamine (right) the bacteria enter the division stages (darker circles). Credit: Lehrstuhl f\u00fcr Mikrobiologie \/ Universit\u00e4t W\u00fcrzburg Chlamydia are bacteria that cause venereal diseases. In humans, they can only survive if they enter…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[10670,48233],"class_list":["post-39800","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-cell-microbiology","tag-researchers-discover-how-chlamydiae-multiply-in-human-cells"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/39800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=39800"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/39800\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=39800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=39800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=39800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}