دورية أكاديمية
Local calcium signal transmission in mycelial network exhibits decentralized stress responses.
| العنوان: | Local calcium signal transmission in mycelial network exhibits decentralized stress responses. |
|---|---|
| المؤلفون: | Itani A; Microbiology Research Center for Sustainability (MiCS), Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, 305-8572, Japan., Masuo S; Microbiology Research Center for Sustainability (MiCS), Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, 305-8572, Japan., Yamamoto R; Microbiology Research Center for Sustainability (MiCS), Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, 305-8572, Japan., Serizawa T; Microbiology Research Center for Sustainability (MiCS), Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, 305-8572, Japan., Fukasawa Y; Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko, Osaki, Miyagi, 989-6711, Japan., Takaya N; Microbiology Research Center for Sustainability (MiCS), Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, 305-8572, Japan., Toyota M; Department of Biochemistry and Molecular Biology, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama, 338-8570, Japan.; Suntory Rising Stars Encouragement Program in Life Sciences (SunRiSE), Kyoto, Japan.; Department of Botany, University of Wisconsin-Madison, 430 Lincoln Drive, Madison, WI 53706, USA., Betsuyaku S; Department of Plant Life Science, Faculty of Agriculture, Ryukoku University, 1-5 Yokotani, Seta Oe-cho, Otsu, Shiga, 520-2194Japan., Takeshita N; Microbiology Research Center for Sustainability (MiCS), Faculty of Life and Environmental Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, 305-8572, Japan. |
| المصدر: | PNAS nexus [PNAS Nexus] 2023 Mar 07; Vol. 2 (3), pp. pgad012. Date of Electronic Publication: 2023 Mar 07 (Print Publication: 2023). |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Oxford University Press on behalf of the National Academy of Sciences Country of Publication: England NLM ID: 9918367777906676 Publication Model: eCollection Cited Medium: Internet ISSN: 2752-6542 (Electronic) Linking ISSN: 27526542 NLM ISO Abbreviation: PNAS Nexus Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Original Publication: [Oxford] : Oxford University Press on behalf of the National Academy of Sciences, [2022]- |
| مستخلص: | Many fungi live as mycelia, which are networks of hyphae. Mycelial networks are suited for the widespread distribution of nutrients and water. The logistical capabilities are critical for the extension of fungal survival areas, nutrient cycling in ecosystems, mycorrhizal symbioses, and virulence. In addition, signal transduction in mycelial networks is predicted to be vital for mycelial function and robustness. A lot of cell biological studies have elucidated protein and membrane trafficking and signal transduction in fungal hyphae; however, there are no reports visualizing signal transduction in mycelia. This paper, by using the fluorescent Ca 2+ biosensor, visualized for the first time how calcium signaling is conducted inside the mycelial network in response to localized stimuli in the model fungus Aspergillus nidulans . The wavy propagation of the calcium signal inside the mycelium or the signal blinking in the hyphae varies depending on the type of stress and proximity to the stress. The signals, however, only extended around 1,500 μm, suggesting that the mycelium has a localized response. The mycelium showed growth delay only in the stressed areas. Local stress caused arrest and resumption of mycelial growth through reorganization of the actin cytoskeleton and membrane trafficking. To elucidate the downstream of calcium signaling, calmodulin, and calmodulin-dependent protein kinases, the principal intracellular Ca 2+ receptors were immunoprecipitated and their downstream targets were identified by mass spectrometry analyses. Our data provide evidence that the mycelial network, which lacks a brain or nervous system, exhibits decentralized response through locally activated calcium signaling in response to local stress. (© The Author(s) 2023. Published by Oxford University Press on behalf of National Academy of Sciences.) |
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| فهرسة مساهمة: | Keywords: calcium signal; calmodulin; calmodulin-dependent kinases; fungi; mycelia |
| تواريخ الأحداث: | Date Created: 20230310 Latest Revision: 20230311 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC9991499 |
| DOI: | 10.1093/pnasnexus/pgad012 |
| PMID: | 36896124 |
| قاعدة البيانات: | MEDLINE |
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