{"id":18715,"date":"2020-07-01T10:30:00","date_gmt":"2020-07-01T07:30:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/research-reveals-more-about-path-bacterial-pathogen-travels-to-cause-tuberculosis\/"},"modified":"2020-07-01T10:30:00","modified_gmt":"2020-07-01T07:30:00","slug":"research-reveals-more-about-path-bacterial-pathogen-travels-to-cause-tuberculosis","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/research-reveals-more-about-path-bacterial-pathogen-travels-to-cause-tuberculosis\/","title":{"rendered":"#Research reveals more about path bacterial pathogen travels to cause tuberculosis"},"content":{"rendered":"

“#Research reveals more about path bacterial pathogen travel<\/a>s to cause tuberculosis<\/strong>”<\/p>\n

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\"UTEP<\/img>
\n Jianjun Sun, Ph.D. left, associate professor in The University of Texas at El Paso Department of Biological Science<\/a>s, and Javier Aguilera, a doctoral student, stand in Sun’s lab in the Bioscience Research Building. The pair worked with other biology students and faculty members to detail how a bacterial protein dictates the course of the bacterial pathogen that causes tuberculosis in a recently published article in the Journal of Biological Chemistry, a publication of the American Society of Biochemistry and Molecular Biology. Credit: J.R. Hernandez \/ UTEP Communications
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Biology students and faculty members from The University of Texas at El Paso have discovered a new target for tuberculosis drug development. Their study recently was published in the Journal of Biological Chemistry<\/i>, a publication of the American Society of Biochemistry and Molecular Biology (ASBMB).<\/p>\n

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Jianjun Sun, Ph.D., associate professor in UTEP’s Department of Biological Sciences, led the research on Mycobacterium tuberculosis (Mtb), the bacterial pathogen that causes tuberculosis diseases, or TB.<\/p>\n

TB is one of the leading infectious diseases in the world. Development of novel therapeutics against TB is urgently needed. Sun’s lab has been investigating the mechanisms of Mtb pathogenesis for more than 10 years at UTEP with a specific focus on EsxA, which is a virulence factor essential for Mtb virulence and a preferred target for developing novel anti-TB drugs and vaccines.
\nDuring infection, Mtb is “eaten up” by human immune cells. Normally, the bacteria are killed within the immune cells, but Mtb releases virulence factors, such as EsxA, to disarm the host’s immune defense. The study discovered that the N\u03b1-acetylation of EsxA can drastically affect the course of the infection.
\n“This research was technically challenging, but the students were able to overcome the challenges and accomplished the goals,” Sun said. “All the hard work from the students and collaborators has finally come together to contribute a beautiful story in the prestigious Journal of Biological Chemistry<\/i> from ASBMB.”
\nThe study had many collaborators including Javier Aguilera, a doctoral student in Sun’s lab who is supported by the Research Initiative for Scientific Enhancement (RISE) Program. Other contributors include Salvador Vazquez-Reyes, a doctoral student in Sun’s lab, and Qi Zhang, Ph.D., a previous postdoctoral fellow in Sun’s lab.
\n“Knowing this work has a great impact in the TB research feels great,” Aguilera said. “Although it resulted in so many late nights of hard work and headaches for so many people, the end result was very well worth it!”
\nThe study benefited from a collaboration with Lin Li, Ph.D., assistant professor of computational biophysics and bioinformatics in UTEP’s Department of Physics. Chitra B. Karki, a doctoral student in Li’s lab, provided help with molecular dynamic simulations to model the effects of N\u03b1-acetylation on EsxA function. Igor Estevao and Brian I. Grajeda, from the Proteomics Analysis Core Facility of UTEP’s Border Biomedical Research Center, helped to identify the N\u03b1-acetylation by using state-of-the-art mass spectrometry. Hugues Ouellet, Ph.D., associate professor of biological sciences, and his doctoral student Chenoa D. Arico assisted with mycobacterial biology and protein binding measurements.<\/p>\n

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More information:<\/strong>
\n Javier Aguilera et al, N\u03b1-Acetylation of the virulence factor EsxA is required for mycobacterial cytosolic translocation and virulence, Journal of Biological Chemistry<\/i> (2020). DOI: 10.1074\/jbc.RA119.012497\n <\/div>\n

\n Citation<\/strong>:
\n Research reveals more about path bacterial pathogen travels to cause tuberculosis (2020, July 1)
\n retrieved 1 July 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-07-reveals-path-bacterial-pathogen-tuberculosis.html<\/p>\n

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“#Research reveals more about path bacterial pathogen travels to cause tuberculosis” Jianjun Sun, Ph.D. left, associate professor in The University of Texas at El Paso Department of Biological Sciences, and Javier Aguilera, a doctoral student, stand in Sun’s lab in the Bioscience Research Building. The pair worked with other biology students and faculty members to…<\/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":[15553,30270],"class_list":["post-18715","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-biochemistry","tag-research-reveals-more-about-path-bacterial-pathogen-travels-to-cause-tuberculosis"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/18715","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=18715"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/18715\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=18715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=18715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=18715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}