{"id":211466,"date":"2025-10-14T15:31:42","date_gmt":"2025-10-14T15:31:42","guid":{"rendered":"https:\/\/yogaesoteric.net\/?p=211466"},"modified":"2025-10-14T15:39:30","modified_gmt":"2025-10-14T15:39:30","slug":"scientists-discover-gold-nanoparticles-in-spruce-trees-which-is-naturally-assimilated-by-symbiotic-bacteria","status":"publish","type":"post","link":"https:\/\/yogaesoteric.net\/en\/scientists-discover-gold-nanoparticles-in-spruce-trees-which-is-naturally-assimilated-by-symbiotic-bacteria\/","title":{"rendered":"Scientists discover gold nanoparticles in spruce trees, which are naturally assimilated by symbiotic bacteria"},"content":{"rendered":"<p>Deep in the forests of Finland, scientists have uncovered a secret alchemy hidden within the needles of Norway spruce trees. They discovered gold nanoparticles, naturally assimilated with the help of symbiotic bacteria. The scientists catch a glimpse into nature\u2019s intricate dance between trees, bacteria, and trace metals, with implications that stretch from mineral exploration to human health.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-211463 aligncenter\" src=\"https:\/\/yogaesoteric.net\/wp-content\/uploads\/2025\/10\/gold.webp\" alt=\"\" width=\"560\" height=\"367\" srcset=\"https:\/\/yogaesoteric.net\/wp-content\/uploads\/2025\/10\/gold.webp 1000w, https:\/\/yogaesoteric.net\/wp-content\/uploads\/2025\/10\/gold-300x197.webp 300w, https:\/\/yogaesoteric.net\/wp-content\/uploads\/2025\/10\/gold-768x503.webp 768w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/p>\n<p>A study published in<em> Environmental Microbiome<\/em> reveals that certain spruce trees near Finland\u2019s Kittil\u00e4 gold mine contain tiny gold particles, formed with the help of symbiotic bacteria living inside their needles. These microbes, known as endophytes, play a crucial role in transforming soluble gold from the soil into solid nanoparticles \u2013 a process that could revolutionize how we search for precious metals while shedding light on the hidden connections between biology and geology.<\/p>\n<p>But beyond prospecting, this discovery hints at something deeper: the way trace gold interacts with living systems, from plants to people. Could these microscopic flecks of gold, forged by microbial alchemy, hold clues to health benefits long overlooked by modern science?<\/p>\n<p><strong>The microbial goldsmiths inside spruce trees<\/strong><\/p>\n<p>Gold doesn\u2019t just appear in trees by chance \u2013 it\u2019s a carefully orchestrated process involving tiny microbial partners. The study found that specific bacteria, including <em>Cutibacterium<\/em> and <em>Corynebacterium<\/em>, thrive in spruce needles containing gold nanoparticles. These microbes secrete sticky biofilms that trap and stabilize gold ions, transforming them into harmless, solid particles.<\/p>\n<p>\u201c<em>Our results suggest that bacteria and other microbes living inside plants may influence the accumulation of gold in trees<\/em>,\u201d says lead researcher Kaisa Lehosmaa of the University of Oulu. This microbial mediation isn\u2019t just fascinating, it could lead to new \u2018mining\u2019 operations. Screening for these bacteria in plants could lead to eco-friendly mineral exploration, reducing the need for destructive drilling.<\/p>\n<p>So why would bacteria bother with gold? Soluble gold ions can be toxic, so microbes likely evolved ways to neutralize them, much like how humans detoxify heavy metals. Over millennia, this microbial alchemy may have subtly shaped ecosystems, influencing how metals cycle through soil, water, and living organisms.<\/p>\n<p><strong>From tree to table: Could trace gold benefit humans?<\/strong><\/p>\n<p>Gold has long been used in traditional medicine, from Ayurvedic <em>Swarna Bhasma<\/em> (purified gold ash) to colloidal gold supplements. Modern research suggests that gold nanoparticles \u2013 similar to those found in spruce needles \u2013 may have anti-inflammatory, antioxidant, and even neuroprotective properties.<\/p>\n<p>While gold isn\u2019t an essential nutrient like iron or zinc (and excessive exposure can be toxic), its nanoparticles interact with biological systems in surprising ways. Studies show they can:<\/p>\n<ul>\n<li>Reduce inflammation, potentially aiding conditions like arthritis.<\/li>\n<li>Protect neurons from oxidative stress, offering promise for neurodegenerative diseases.<\/li>\n<li>Some research suggests gold nanoparticles may help protect neurons and reduce oxidative stress in the brain, potentially slowing neurodegenerative diseases like Alzheimer\u2019s (AD).<\/li>\n<li>Enhance immune function, balancing overactive responses seen in autoimmune disorders.<\/li>\n<li>Some traditional systems (e.g., Ayurveda) use gold ash (<em>Swarna Bhasma<\/em>) for rejuvenation, claiming it enhances vitality and longevity.<\/li>\n<\/ul>\n<p>The key to any trace mineral lies in bioavailability. Metallic gold is inert, but nanoparticles \u2013 especially those stabilized by organic compounds \u2013 can be absorbed more efficiently. Some researchers speculate that microbes in the human gut, much like those in spruce needles, might help process trace gold from food or supplements. It&#8217;s most important application in medicine right now is in diagnostics. Gold nanoparticles have been extensively used as probes for sensing\/imaging a wide range of analysts\/targets such as proteins, cells and nucleic acids.<\/p>\n<p><strong>Ways bacteria transform gold<\/strong><\/p>\n<p>Beyond health, this discovery opens doors for bio-mining \u2013 using plants and microbes to locate or even extract metals sustainably. Similar techniques could purify polluted water or recover rare minerals from electronic waste. Here are ways bacteria and fungi transform gold:<\/p>\n<ul>\n<li><strong>Rhizobacteria <\/strong>(e.g., <em>Pseudomonas, Bacillus spp<\/em>.) \u2013 Found in soil and root systems, these bacteria reduce gold ions (Au<sup>3+<\/sup>) to AuNPs via enzymatic processes (e.g., NADH-dependent reductases). Trees can absorb these stabilized nanoparticles through root uptake.<\/li>\n<li><strong>Endophytic bacteria <\/strong>(e.g., <em>Bacillus subtilis, Enterobacter spp.<\/em>) \u2013 These strains colonize plant tissues and assist in intracellular AuNP synthesis, which may then be transported systemically.<\/li>\n<li><strong>Human gut microbiota <\/strong>(<em>Lactobacillus, Bifidobacterium<\/em>) \u2013 Some probiotic strains can reduce gold salts into nanoparticles, potentially aiding assimilation through intestinal absorption.<\/li>\n<li><strong>Arbuscular mycorrhizal fungi <\/strong>(<em>AMF, e.g., Glomus spp.<\/em>) \u2013 These fungi form symbiotic relationships with plant roots, enhancing mineral uptake. Some species facilitate AuNP formation from gold ions in soil.<\/li>\n<li><strong>Endophytic fungi <\/strong>(<em>Fusarium oxysporum<\/em>, <em>Aspergillus niger<\/em>) These fungi secrete reductases and stabilizing proteins, converting gold salts into bio-compatible nanoparticles that plants (and indirectly, humans consuming those plants) can assimilate.<\/li>\n<\/ul>\n<p>With gold, mysteries still remain. Why do only some spruce trees accumulate gold and others don&#8217;t? How do bacteria precisely control nano-particle formation? And could gold-rich plants \u2013 whether spruce or others \u2013 play a role in future nutraceuticals?<\/p>\n<p>&nbsp;<\/p>\n<p><strong>yogaesoteric<br \/>\nOctober 14, 2025<\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deep in the forests of Finland, scientists have uncovered a secret alchemy hidden within the needles of Norway spruce trees. They discovered gold nanoparticles, naturally assimilated with the help of symbiotic bacteria. The scientists catch a glimpse into nature\u2019s intricate dance between trees, bacteria, and trace metals, with implications that stretch from mineral exploration to [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[1369],"tags":[],"class_list":["post-211466","post","type-post","status-publish","format-standard","hentry","category-science-technology-1602-en"],"_links":{"self":[{"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/posts\/211466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/comments?post=211466"}],"version-history":[{"count":2,"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/posts\/211466\/revisions"}],"predecessor-version":[{"id":211468,"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/posts\/211466\/revisions\/211468"}],"wp:attachment":[{"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/media?parent=211466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/categories?post=211466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yogaesoteric.net\/en\/wp-json\/wp\/v2\/tags?post=211466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}