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Root nodules of red alder (Alnus rubra) and sitka alder (Alnus viridis ssp. sinuata) are inhabited by taxonomically diverse cultivable microbial endophytes.
Dove, Robyn; Wolfe, Emily R; Stewart, Nathan U; Coleman, Abigail; Chavez, Sara Herrejon; Ballhorn, Daniel J.
Afiliación
  • Dove R; Portland State University Biology Department, Portland, Oregon, USA.
  • Wolfe ER; Portland State University Biology Department, Portland, Oregon, USA.
  • Stewart NU; Portland State University, Portland, Oregon, USA.
  • Coleman A; Portland State University Biology Department, Portland, Oregon, USA.
  • Chavez SH; Portland State University, Portland, Oregon, USA.
  • Ballhorn DJ; Portland State University Biology Department, Portland, Oregon, USA.
Microbiologyopen ; 13(3): e1422, 2024 Jun.
Article en En | MEDLINE | ID: mdl-38847331
ABSTRACT
The root nodules of actinorhizal plants are home to nitrogen-fixing bacterial symbionts, known as Frankia, along with a small percentage of other microorganisms. These include fungal endophytes and non-Frankia bacteria. The taxonomic and functional diversity of the microbial consortia within these root nodules is not well understood. In this study, we surveyed and analyzed the cultivable, non-Frankia fungal and bacterial endophytes of root nodules from red and Sitka alder trees that grow together. We examined their taxonomic diversity, co-occurrence, differences between hosts, and potential functional roles. For the first time, we are reporting numerous fungal endophytes of alder root nodules. These include Sporothrix guttuliformis, Fontanospora sp., Cadophora melinii, an unclassified Cadophora, Ilyonectria destructans, an unclassified Gibberella, Nectria ramulariae, an unclassified Trichoderma, Mycosphaerella tassiana, an unclassified Talaromyces, Coniochaeta sp., and Sistotrema brinkmanii. We are also reporting several bacterial genera for the first time Collimonas, Psychrobacillus, and Phyllobacterium. Additionally, we are reporting the genus Serratia for the second time, with the first report having been recently published in 2023. Pseudomonas was the most frequently isolated bacterial genus and was found to co-inhabit individual nodules with both fungi and bacteria. We found that the communities of fungal endophytes differed by host species, while the communities of bacterial endophytes did not.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bacterias / Alnus / Nódulos de las Raíces de las Plantas / Endófitos / Hongos Idioma: En Revista: Microbiologyopen Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bacterias / Alnus / Nódulos de las Raíces de las Plantas / Endófitos / Hongos Idioma: En Revista: Microbiologyopen Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido