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Title: Scavenging organic nitrogen and remodelling lipid metabolism are key survival strategies adopted by the endophytic fungi, Serendipita vermifera and Serendipita bescii to alleviate nitrogen and phosphorous starvation in vitro

Abstract

Summary Serendipitaceae represents a diverse fungal group in the Basidiomycota that includes endophytes and lineages that repeatedly evolved ericoid, orchid and ectomycorrhizal lifestyle. Plants rely upon both nitrogen and phosphorous, for essential growth processes, and are often provided by mycorrhizal fungi. In this study, we investigated the cellular proteome of Serendipita vermifera MAFF305830 and closely related Serendipita vermifera subsp. bescii NFPB0129 grown in vitro under (N) ammonium and (P) phosphate starvation conditions. Mycelial growth pattern was documented under these conditions to correlate growth‐specific responses to nutrient starvation. We found that N‐starvation accelerated hyphal radial growth, whereas P‐starvation accelerated hyphal branching. Additionally, P‐starvation triggers an integrated starvation response leading to remodelling of lipid metabolism. Higher abundance of an ammonium transporter known to serve as both an ammonium sensor and stimulator of hyphal growth was detected under N‐starvation. Additionally, N‐starvation led to strong up‐regulation of nitrate, amino acid, peptide, and urea transporters, along with several proteins predicted to have peptidase activity. Taken together, our finding suggests S. bescii and S. vermifera have the metabolic capacity for nitrogen assimilation from organic forms of N compounds. We hypothesize that the nitrogen metabolite repression is a key regulator of such organic N assimilation.

Authors:
ORCiD logo [1];  [2];  [1];  [2];  [3];  [3];  [3];  [2];  [3]; ORCiD logo [1]
  1. Noble Research Institute, LLC Ardmore OK 73401 USA
  2. Chemical Sciences Division, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
  3. Biosciences Division, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1510338
Alternate Identifier(s):
OSTI ID: 1510341; OSTI ID: 1545210
Grant/Contract Number:  
AC05‐00OR22725; AC05-00OR22725
Resource Type:
Published Article
Journal Name:
Environmental Microbiology Reports
Additional Journal Information:
Journal Name: Environmental Microbiology Reports Journal Volume: 11 Journal Issue: 4; Journal ID: ISSN 1758-2229
Publisher:
Wiley-Blackwell
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 54 ENVIRONMENTAL SCIENCES

Citation Formats

Ray, Prasun, Abraham, Paul E., Guo, Yingqing, Giannone, Richard J., Engle, Nancy L., Yang, Zamin K., Jacobson, Daniel, Hettich, Robert L., Tschaplinski, Timothy J., and Craven, Kelly D. Scavenging organic nitrogen and remodelling lipid metabolism are key survival strategies adopted by the endophytic fungi, Serendipita vermifera and Serendipita bescii to alleviate nitrogen and phosphorous starvation in vitro. United States: N. p., 2019. Web. doi:10.1111/1758-2229.12757.
Ray, Prasun, Abraham, Paul E., Guo, Yingqing, Giannone, Richard J., Engle, Nancy L., Yang, Zamin K., Jacobson, Daniel, Hettich, Robert L., Tschaplinski, Timothy J., & Craven, Kelly D. Scavenging organic nitrogen and remodelling lipid metabolism are key survival strategies adopted by the endophytic fungi, Serendipita vermifera and Serendipita bescii to alleviate nitrogen and phosphorous starvation in vitro. United States. https://doi.org/10.1111/1758-2229.12757
Ray, Prasun, Abraham, Paul E., Guo, Yingqing, Giannone, Richard J., Engle, Nancy L., Yang, Zamin K., Jacobson, Daniel, Hettich, Robert L., Tschaplinski, Timothy J., and Craven, Kelly D. Wed . "Scavenging organic nitrogen and remodelling lipid metabolism are key survival strategies adopted by the endophytic fungi, Serendipita vermifera and Serendipita bescii to alleviate nitrogen and phosphorous starvation in vitro". United States. https://doi.org/10.1111/1758-2229.12757.
@article{osti_1510338,
title = {Scavenging organic nitrogen and remodelling lipid metabolism are key survival strategies adopted by the endophytic fungi, Serendipita vermifera and Serendipita bescii to alleviate nitrogen and phosphorous starvation in vitro},
author = {Ray, Prasun and Abraham, Paul E. and Guo, Yingqing and Giannone, Richard J. and Engle, Nancy L. and Yang, Zamin K. and Jacobson, Daniel and Hettich, Robert L. and Tschaplinski, Timothy J. and Craven, Kelly D.},
abstractNote = {Summary Serendipitaceae represents a diverse fungal group in the Basidiomycota that includes endophytes and lineages that repeatedly evolved ericoid, orchid and ectomycorrhizal lifestyle. Plants rely upon both nitrogen and phosphorous, for essential growth processes, and are often provided by mycorrhizal fungi. In this study, we investigated the cellular proteome of Serendipita vermifera MAFF305830 and closely related Serendipita vermifera subsp. bescii NFPB0129 grown in vitro under (N) ammonium and (P) phosphate starvation conditions. Mycelial growth pattern was documented under these conditions to correlate growth‐specific responses to nutrient starvation. We found that N‐starvation accelerated hyphal radial growth, whereas P‐starvation accelerated hyphal branching. Additionally, P‐starvation triggers an integrated starvation response leading to remodelling of lipid metabolism. Higher abundance of an ammonium transporter known to serve as both an ammonium sensor and stimulator of hyphal growth was detected under N‐starvation. Additionally, N‐starvation led to strong up‐regulation of nitrate, amino acid, peptide, and urea transporters, along with several proteins predicted to have peptidase activity. Taken together, our finding suggests S. bescii and S. vermifera have the metabolic capacity for nitrogen assimilation from organic forms of N compounds. We hypothesize that the nitrogen metabolite repression is a key regulator of such organic N assimilation.},
doi = {10.1111/1758-2229.12757},
journal = {Environmental Microbiology Reports},
number = 4,
volume = 11,
place = {United States},
year = {Wed May 01 00:00:00 EDT 2019},
month = {Wed May 01 00:00:00 EDT 2019}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1111/1758-2229.12757

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Cited by: 13 works
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