{"id":67012,"date":"2025-10-07T13:59:54","date_gmt":"2025-10-07T08:29:54","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=67012"},"modified":"2025-10-07T16:58:43","modified_gmt":"2025-10-07T11:28:43","slug":"viridans-streptococci","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/viridans-streptococci\/","title":{"rendered":"Viridans Streptococci"},"content":{"rendered":"<h2><b>Viridans Streptococci Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The new study, by a research team at Tampere University in Finland, examined coronary arteries from 121 sudden-death autopsies and found Viridans streptococci were the most frequent species, present in about 42% of both autopsy and surgical cases.<\/span><\/p>\n<h2><b>About Viridans Streptococci<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a group of <\/span><b>common oral bacteria.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It<\/span> <span style=\"font-weight: 400;\">can form sticky <\/span><b>bacterial layers called biofilms<\/b><span style=\"font-weight: 400;\"> deep inside <\/span><b>atherosclerotic plaques,<\/b><span style=\"font-weight: 400;\"> remaining hidden from the immune system until the moment of rupture.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Viridans streptococci are commensals in the <\/span><b>gastrointestinal, respiratory and female genital tracts<\/b><span style=\"font-weight: 400;\"> and are most prevalent in the oral cavity.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a group of <\/span><b>gram-positive cocci<\/b><span style=\"font-weight: 400;\"> that are commonly <\/span><b>associated with infective endocarditis<\/b><span style=\"font-weight: 400;\"> (IE) and typically colonize previously damaged cardiac tissue.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Viridans Streptococcal Biofilm <\/span><b>Evades Immune Detection and Contributes to Inflammation.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Importantly, the bacterial clusters were <\/span><b>often arranged in biofilms,<\/b><span style=\"font-weight: 400;\"> protective layers that allow bacteria to survive unnoticed by the body\u2019s immune system.\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<h2><b>How do Oral Bacteria Trigger Heart Attacks?<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The biofilm formed by this bacteria remains hidden, parts of it can break loose. Once released, the bacteria trigger inflammation in the artery wall.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This weakens the fibrous \u201ccap\u201d covering the fatty plaque, making it more likely to rupture.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Plaque rupture is a critical <\/span><b>event that leads to clot formation<\/b><span style=\"font-weight: 400;\"> and, ultimately, a heart attack.<\/span><\/li>\n<\/ul>\n<p><b>Source: <\/b><strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/health\/could-hidden-dental-bacteria-help-explain-sudden-and-deadly-heart-attacks\/article70131209.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Viridans streptococci is a group of gram-positive cocci that are commonly associated with infective endocarditis (IE) and typically colonize previously damaged cardiac tissue. Read more about Viridans Streptococci, Features, Latest News.<\/p>\n","protected":false},"author":24,"featured_media":67108,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[246,21,3121],"class_list":{"0":"post-67012","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-current-affairs","9":"tag-prelims-pointers","10":"tag-viridans-streptococci","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/67012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=67012"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/67012\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/67108"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=67012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=67012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=67012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}