{"id":11102,"date":"2025-05-03T16:49:23","date_gmt":"2025-05-03T13:49:23","guid":{"rendered":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/?p=11102"},"modified":"2025-05-03T16:49:23","modified_gmt":"2025-05-03T13:49:23","slug":"fungi-spread-as-climate-warms","status":"publish","type":"post","link":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/fungi-spread-as-climate-warms","title":{"rendered":"Fungi spread as climate warms"},"content":{"rendered":"<p dir=\"ltr\" data-pm-slice=\"1 1 []\">Rising global temperatures, driven by climate change, are expanding the reach of deadly fungal pathogens, particularly those in the <em>Aspergillus<\/em> family. New research highlights how these fungi, which already infect millions annually, could spread to new regions, including northern Europe, Asia, and the Americas. This article explores the growing threat of <em>Aspergillus<\/em> species, the factors driving their proliferation, and the public health and ecological implications of their spread.<\/p>\n<h2 dir=\"ltr\"><span id=\"The_Growing_Threat_of_Fungal_Pathogens\">The Growing Threat of Fungal Pathogens<\/span><\/h2><div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=\"#The_Growing_Threat_of_Fungal_Pathogens\"><span class=\"toc_number toc_depth_1\">1<\/span> The Growing Threat of Fungal Pathogens<\/a><\/li><li><a href=\"#Why_Fungi_Are_a_Unique_Peril\"><span class=\"toc_number toc_depth_1\">2<\/span> Why Fungi Are a Unique Peril<\/a><\/li><li><a href=\"#Climate_Change_as_a_Catalyst\"><span class=\"toc_number toc_depth_1\">3<\/span> Climate Change as a Catalyst<\/a><\/li><li><a href=\"#Health_and_Societal_Impacts\"><span class=\"toc_number toc_depth_1\">4<\/span> Health and Societal Impacts<\/a><\/li><li><a href=\"#Ecological_and_Industrial_Roles_of_Aspergillus\"><span class=\"toc_number toc_depth_1\">5<\/span> Ecological and Industrial Roles of Aspergillus<\/a><\/li><li><a href=\"#Research_and_Public_Health_Responses\"><span class=\"toc_number toc_depth_1\">6<\/span> Research and Public Health Responses<\/a><\/li><li><a href=\"#The_Road_Ahead\"><span class=\"toc_number toc_depth_1\">7<\/span> The Road Ahead<\/a><\/li><\/ul><\/div>\n\n<p dir=\"ltr\">Fungal pathogens are increasingly recognized as a <a title=\"Senior Lecturer\/Lecturer: Department of Global Health\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/senior-lecturer-lecturer-department-of-global-health\">global health<\/a> threat, with <em>Aspergillus<\/em> species among the most dangerous. These fungi are responsible for an estimated 3.8 million deaths annually, with 2.5 million directly attributable to invasive fungal infections. Aspergillosis, a lung disease caused by inhaling <em>Aspergillus<\/em> spores, is a leading concern due to its ability to spread to other organs, including the brain.<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\"><strong>Aspergillus fumigatus<\/strong>: Identified by the World Health Organization (WHO) in 2022 as one of four critical fungal pathogens, <em>A. fumigatus<\/em> thrives in high-temperature environments like compost heaps, equipping it to survive in the human body at 37\u00b0C. Research funded by the Wellcome Trust projects that by 2100, under a high <a title=\"Record Trillion in Fossil Fuel Subsidies\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/record-7-trillion-in-fossil-fuel-subsidies\">fossil fuel<\/a> emissions scenario, <em>A. fumigatus<\/em> could expand its range by 77%, exposing an additional 9 million people in Europe to infection risk.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Aspergillus flavus<\/strong>: This species, which lives on crops, could expand into 16% more territory by 2100, gaining footholds in northern China, Russia, Scandinavia, and Alaska. <em>A. flavus<\/em> produces aflatoxins, harmful chemicals linked to liver damage and cancer, which pose threats to both human <a title=\"Urgent call: States must act now on Climate Change, Food Security, and Health\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/urgent-call-states-must-act-now-on-climate-change-food-security-and-health\">health and food security<\/a>.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span id=\"Why_Fungi_Are_a_Unique_Peril\">Why Fungi Are a Unique Peril<\/span><\/h2>\n<p dir=\"ltr\">Fungi present unique challenges compared to other pathogens like viruses or bacteria:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\"><strong>Hard-to-Detect Spores<\/strong>: <em>Aspergillus<\/em> spores are ubiquitous and difficult to detect, often leading to late or missed diagnoses. Symptoms are frequently mistaken for other conditions, complicating treatment.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Limited Treatments<\/strong>: There is a shortage of effective antifungal drugs, and existing treatments face growing resistance. The development of new antifungals is hindered by high costs and low profitability.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Mycological Mysteries<\/strong>: Over 90% of fungal species remain unknown to science, according to a 2023 Royal <a title=\"Oklahoma City Zoo &amp; Botanical Garden: Conservation Grants 2023\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/oklahoma-city-zoo-botanical-garden-conservation-grants-2023\">Botanic Gardens<\/a>, Kew report. This knowledge gap limits our ability to predict and combat fungal threats.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span id=\"Climate_Change_as_a_Catalyst\">Climate Change as a Catalyst<\/span><\/h2>\n<p dir=\"ltr\"><a title=\"Climate Change\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/climate-change\">Climate change<\/a> is reshaping the geographical distribution of fungal pathogens by creating warmer, more favorable conditions for their growth:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\"><strong>Temperature Tolerance<\/strong>: Species like <em>A. fumigatus<\/em> grow rapidly at high temperatures, giving them a &#8220;fitness advantage&#8221; to colonize human lungs, as noted by Professor Elaine Bignell from the MRC Centre for Medical Mycology.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong><a title=\"Extreme weather events abound, leaving no escape from climate change\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/extreme-weather-events-abound-leaving-no-escape-from-climate-change\">Extreme Weather Events<\/a><\/strong>: Droughts followed by heavy rains can disturb soil, releasing fungal spores into the air. Wildfires, another climate-related phenomenon, may further amplify spore dispersal.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Shifting Habitats<\/strong>: As temperatures rise, <em>Aspergillus<\/em> species are moving northward, while some existing habitats in <a title=\"Advancing Biodiversity Conservation: 10th Africa Regional Dialogue on Biodiversity Finance\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/advancing-biodiversity-conservation-10th-africa-regional-dialogue-on-biodiversity-finance\">regions like Africa<\/a> and Brazil may become inhospitable, disrupting ecosystems where fungi play vital roles in chemical recycling.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span id=\"Health_and_Societal_Impacts\">Health and Societal Impacts<\/span><\/h2>\n<p dir=\"ltr\">The spread of <em>Aspergillus<\/em> poses significant risks, particularly to vulnerable populations:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\"><strong>High-Risk Groups<\/strong>: People with weakened immune systems\u2014due to conditions like asthma, cystic fibrosis, or treatments like chemotherapy\u2014are especially susceptible. While most individuals inhale <em>Aspergillus<\/em> spores without issue, infections in these groups can have high mortality rates.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Disproportionate Burden<\/strong>: Data from the University of California, Berkeley, indicates that since 2020, aspergillosis cases have risen sharply among Latino individuals and rural populations in the U.S. This may be linked to severe COVID-19 cases, limited healthcare access, and environmental exposures like pollution.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Food Security Threats<\/strong>: <em>A. flavus<\/em> produces aflatoxins that contaminate crops, exacerbated by higher temperatures and CO\u2082 levels. This not only threatens human health but also disrupts <a title=\"Call for proposal: Agro-ecological Approaches in African Agriculture Systems\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/call-for-proposal-agro-ecological-approaches-in-african-agriculture-systems\">agricultural systems<\/a>.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span id=\"Ecological_and_Industrial_Roles_of_Aspergillus\">Ecological and Industrial Roles of Aspergillus<\/span><\/h2>\n<p dir=\"ltr\">While <em>Aspergillus<\/em> species pose <a title=\"Climate change creates health risks for 70% of global workers\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/climate-change-creates-health-risks-for-70-of-global-workers\">health risks<\/a>, they also have beneficial roles:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\"><strong>Industrial Applications<\/strong>: Some species are used in industrial chemistry, soy sauce fermentation, and sake production.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Ecosystem Functions<\/strong>: <em>Aspergillus<\/em> contributes to chemical recycling in ecosystems, and its disappearance from certain <a title=\"Call for Proposals for Effective Inter-Regional Incubator for Youth\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/call-for-proposals-for-effective-inter-regional-incubator-for-youth\">regions could have cascading ecological effects<\/a>.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span id=\"Research_and_Public_Health_Responses\">Research and Public Health Responses<\/span><\/h2>\n<p dir=\"ltr\">Ongoing research is critical to addressing the fungal threat:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\"><strong>UC Berkeley\u2019s Big Data Project<\/strong>: A five-year study analyzing medical records from 100 million U.S. patients aims to identify <a title=\"New publication: Factors influencing community\u2019s adoption of domestic water conservation measures\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/new-publication-factors-influencing-communitys-adoption-of-domestic-water-conservation-measures\">factors influencing<\/a> fungal infection rates. The <a title=\"Call for Project Grant 2021: Sustainable development and climate change.\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/call-for-project-grant-2021-sustainable-development-and-climate-change\">project has already linked climate-driven changes<\/a>, like droughts, to the spread of pathogens such as <em>Coccidioides<\/em>, which causes Valley fever.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Global Awareness<\/strong>: The WHO\u2019s 2022 fungal priority list and increased <a title=\"Research &amp; Conservation Fund\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/research-conservation-fund\">research funding<\/a>, such as from the Wellcome Trust, signal growing recognition of the threat.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Challenges in Drug <a title=\"Major Research Grant Development Finance\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/major-research-grant-development-finance\">development<\/a><\/strong>: The lack of financial incentives for antifungal drug development remains a barrier, as highlighted by experts like Professor Darius Armstrong-James.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span id=\"The_Road_Ahead\">The Road Ahead<\/span><\/h2>\n<p dir=\"ltr\">The proliferation of fungal pathogens like <em>Aspergillus<\/em> underscores the <a title=\"UN Chief urges urgent global action on Climate Change\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/un-chief-urges-urgent-global-action-on-climate-change\">urgent need for action<\/a>:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\"><strong>Enhanced Surveillance<\/strong>: Improved diagnostic tools and training for healthcare providers can help detect infections earlier.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong><a title=\"Trade supports climate mitigation and adaptation in Africa\u2019s agriculture, new data shows\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/trade-supports-climate-mitigation-and-adaptation-in-africas-agriculture-new-data-shows\">Climate Mitigation<\/a><\/strong>: Reducing fossil fuel emissions could slow the spread of fungal habitats, protecting millions from exposure.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Research Investment<\/strong>: Greater funding for mycology and antifungal <a title=\"Climate change boosts drug resistance in developing Nations\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/climate-change-boosts-drug-resistance-in-developing-nations\">drug development<\/a> is essential to close knowledge gaps and improve treatments.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">The global spread of <em>Aspergillus<\/em> fungi, driven by <a title=\"European School of Sustainability Science and Research- Doctoral Programme on Climate Change Adaptation by Publications\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/european-school-of-sustainability-science-and-research-doctoral-programme-on-climate-change-adaptation-by-publications\">climate change<\/a>, represents a stealthy but profound threat to human health, food security, and ecosystems. As Norman van Rhijn warns, <a title=\"Climate Change\u2019s Social Tipping Points: For Better or Worse\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/climate-changes-social-tipping-points-for-better-or-worse\">the world is nearing a \u201ctipping point\u201d in fungal<\/a> pathogen proliferation. By prioritizing research, public health measures, and <a title=\"Support for Climate Action\" href=\"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/news\/support-for-climate-action\">climate action<\/a>, we can mitigate the risks posed by these ancient and resilient organisms.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rising global temperatures, driven by climate change, are expanding the reach of deadly fungal pathogens, particularly those in the Aspergillus family. New research highlights how these fungi, which already infect millions annually, could spread to new regions, including northern Europe, Asia, and the Americas. This article explores the growing threat of Aspergillus species, the factors [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11103,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-11102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/posts\/11102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/comments?post=11102"}],"version-history":[{"count":4,"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/posts\/11102\/revisions"}],"predecessor-version":[{"id":11107,"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/posts\/11102\/revisions\/11107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/media\/11103"}],"wp:attachment":[{"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/media?parent=11102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/categories?post=11102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cfwt.sua.ac.tz\/ecosystems\/wp-json\/wp\/v2\/tags?post=11102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}