{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T15:05:19Z","timestamp":1786201519992,"version":"build-2736575974"},"reference-count":45,"publisher":"American Society for Microbiology","issue":"13","license":[{"start":{"date-parts":[[2018,7,1]],"date-time":"2018-07-01T00:00:00Z","timestamp":1530403200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"name":"China Agriculture Research System","award":["CARS20"],"award-info":[{"award-number":["CARS20"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["31672212"],"award-info":[{"award-number":["31672212"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2016M590468"],"award-info":[{"award-number":["2016M590468"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2018,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p><jats:named-content content-type=\"genus-species\">Ganoderma lucidum<\/jats:named-content>is among the best known medicinal basidiomycetes due to its production of many pharmacologically active compounds. To study the regulatory networks involved in its growth and development, we analyzed the relationship between reactive oxygen species (ROS) and Ca<jats:sup>2+<\/jats:sup>signaling in the regulation of hyphal branching and ganoderic acid (GA) biosynthesis after Cu<jats:sup>2+<\/jats:sup>treatment. Our results revealed that Cu<jats:sup>2+<\/jats:sup>treatment decreased the distance between hyphal branches and increased the GA content and the intracellular levels of ROS and Ca<jats:sup>2+<\/jats:sup>. Further research revealed that the Cu<jats:sup>2+<\/jats:sup>-induced changes in hyphal branch distance, GA content, and cytosolic Ca<jats:sup>2+<\/jats:sup>level were dependent on increases in cytosolic ROS. Our results also showed that increased cytosolic Ca<jats:sup>2+<\/jats:sup>could reduce cytosolic ROS by activating antioxidases and modulating Cu<jats:sup>2+<\/jats:sup>accumulation, resulting in feedback to adjust hyphal growth and GA biosynthesis. These results indicated that cytosolic ROS and Ca<jats:sup>2+<\/jats:sup>levels exert important cross talk in the regulation of hyphal growth and GA biosynthesis induced by Cu<jats:sup>2+<\/jats:sup>. Taken together, our results provide a reference for analyzing the interactions among different signal transduction pathways with regard to the regulation of growth and development in other filamentous fungi.<\/jats:p><jats:p><jats:bold>IMPORTANCE<\/jats:bold><jats:named-content content-type=\"genus-species\">Ganoderma lucidum<\/jats:named-content>, which is known as an important medicinal basidiomycete, is gradually becoming a model organism for studying environmental regulation and metabolism. In this study, we analyzed the relationship between reactive oxygen species (ROS) and Ca<jats:sup>2+<\/jats:sup>signaling in the regulation of hyphal branching and ganoderic acid (GA) biosynthesis under Cu<jats:sup>2+<\/jats:sup>stress. The results revealed that the Cu<jats:sup>2+<\/jats:sup>-induced changes in the hyphal branch distance, GA content, and cytosolic Ca<jats:sup>2+<\/jats:sup>level were dependent on increases in cytosolic ROS. Furthermore, the results indicated that increased cytosolic Ca<jats:sup>2+<\/jats:sup>could reduce cytosolic ROS levels by activating antioxidases and modulating Cu<jats:sup>2+<\/jats:sup>accumulation. The results in this paper indicate that there was important cross talk between cytosolic ROS and Ca<jats:sup>2+<\/jats:sup>levels in the regulation of hyphal growth and GA biosynthesis induced by Cu<jats:sup>2+<\/jats:sup>.<\/jats:p>","DOI":"10.1128\/aem.00438-18","type":"journal-article","created":{"date-parts":[[2018,4,18]],"date-time":"2018-04-18T09:01:46Z","timestamp":1524042106000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":51,"title":["Cross Talk between Calcium and Reactive Oxygen Species Regulates Hyphal Branching and Ganoderic Acid Biosynthesis in Ganoderma lucidum under Copper Stress"],"prefix":"10.1128","volume":"84","author":[{"given":"Tan","family":"Gao","sequence":"first","affiliation":[{"name":"Department of Microbiology, College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liang","family":"Shi","sequence":"additional","affiliation":[{"name":"Department of Microbiology, College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianjun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Microbiology, College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ang","family":"Ren","sequence":"additional","affiliation":[{"name":"Department of Microbiology, College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ailiang","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Microbiology, College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanshou","family":"Yu","sequence":"additional","affiliation":[{"name":"Department of Microbiology, College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingwen","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Microbiology, College of Life Sciences, Nanjing Agricultural University; Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, Nanjing, Jiangsu, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00253-010-2871-1"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jchromb.2013.10.006"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms1923"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0043737"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11274-011-0818-z"},{"key":"e_1_3_3_7_2","first-page":"1940","article-title":"Analysis of influence of environmental conditions on ganoderic acid content in Ganoderma lucidum using orthogonal design","volume":"16","author":"Li N","year":"2006","unstructured":"Li N, Liu XH, Zhou J, Li YX, Zhao MW. 2006. 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