{"id":62974,"date":"2025-09-11T12:46:15","date_gmt":"2025-09-11T07:16:15","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=62974"},"modified":"2025-09-11T15:48:21","modified_gmt":"2025-09-11T10:18:21","slug":"aspergillus-section-nigri","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/aspergillus-section-nigri\/","title":{"rendered":"Aspergillus Section Nigri"},"content":{"rendered":"<h2><b>Aspergillus Section Nigri Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Agharkar Research Institute in Pune, an autonomous institute of the Department of Science &amp; Technology, recently identified two novel species of Aspergillus section Nigri (commonly known as black aspergillus), Aspergillus dhakephalkarii and Aspergillus patriciawiltshireae.<\/span><\/p>\n<h2><b>About Aspergillus Section Nigri<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aspergillus section Nigri comprises <\/span><b>filamentous fungi.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a taxonomic group within the genus Aspergillus, characterized by its <\/span><b>black-pigmented conidia (spores) <\/b><span style=\"font-weight: 400;\">and diverse metabolic capabilities.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Their <\/span><b>colonies <\/b><span style=\"font-weight: 400;\">usually <\/span><b>appear black due to pigmented conidia.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This section includes species that are <\/span><b>significant in food spoilage, industrial applications,<\/b><span style=\"font-weight: 400;\"> and <\/span><b>human health<\/b><span style=\"font-weight: 400;\">, particularly <\/span><b>in relation to mycotoxin production<\/b><span style=\"font-weight: 400;\"> and <\/span><b>opportunistic infections.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">While <\/span><b>primarily sourced from soil,<\/b> <b>certain members<\/b><span style=\"font-weight: 400;\"> of this group have been <\/span><b>observed in <\/b><span style=\"font-weight: 400;\">various environments such as <\/span><b>decaying organic material <\/b><span style=\"font-weight: 400;\">and <\/span><b>on the surfaces of plants, contributing to food spoilage and diseases in maize, onions, grapes,<\/b><span style=\"font-weight: 400;\"> and peanuts.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strains of Aspergillus section Nigri <\/span><b>can colonize maize and small grains<\/b><span style=\"font-weight: 400;\"> (which include wheat, triticale, spelt, etc.) <\/span><b>during pre-harvest, harvest, or post-harvest storage<\/b><span style=\"font-weight: 400;\"> phases.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Their <\/span><b>ability to colonize diverse substrates<\/b><span style=\"font-weight: 400;\"> underscores the importance of understanding their taxonomy, ecology, and potential impacts on agricultural, and food safety.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>Some strains<\/b><span style=\"font-weight: 400;\"> of Aspergillus niger are <\/span><b>known to secrete ochratoxins \u2013mycotoxins <\/b><span style=\"font-weight: 400;\">which can give rise to <\/span><b>nephrotoxicity and renal tumours<\/b><span style=\"font-weight: 400;\"> in a variety of animal species and are potentially <\/span><b>hazardous to human health <\/b><span style=\"font-weight: 400;\">through their consumption.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A. niger is one of the most <\/span><b>widely used<\/b><span style=\"font-weight: 400;\"> fungi<\/span><b> in biotechnology.<\/b>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>Production of citric acid, gluconic acid<\/b><span style=\"font-weight: 400;\">, and various <\/span><b>enzymes <\/b><span style=\"font-weight: 400;\">(amylases, proteases, and cellulases).<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\">Used in <b style=\"font-size: inherit;\">food processing, pharmaceuticals,<\/b><span style=\"font-weight: 400;\"> and bioengineering.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/ddnews.gov.in\/en\/unveiling-hidden-diversity-in-aspergillus-section-nigri-by-indian-scientists-introducing-two-new-species-from-the-western-ghats-india\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">DDN<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aspergillus section Nigri comprises filamentous fungi, characterized by its black-pigmented conidia (spores) and diverse metabolic capabilities. Read more about Aspergillus section Nigri, Taxonomy, Latest News<\/p>\n","protected":false},"author":23,"featured_media":63004,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,22,23],"class_list":{"0":"post-62974","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-upsc-current-affairs","10":"tag-upsc-prelims-current-affairs","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/62974","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=62974"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/62974\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/63004"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=62974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=62974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=62974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}