Orchidaceous Mycorrhizal Fungi

Singh, Akanksha; Varma, Ajit

doi:10.1007/978-1-4615-4265-0_17

Cited by 9 publications

(5 citation statements)

References 61 publications

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“…Piriformospora indica was successfully used to infect the protocorms of Dactylorhiza spp. (Orchidaceae), where it formed dense hyphal coils within plant cells (Singh and Varma, 2000). Freeberg (1962) isolated a fungal strain from a gametophyte of Lycopodium obscurum , showing features (for both cultured and wild strains) that resemble those of Rhizoctonia (Read et al, 2000).…”

Section: Discussionmentioning

confidence: 99%

Morphological and molecular analyses of fungal endophytes of achlorophyllous gametophytes ofDiphasiastrum alpinum(Lycopodiaceae)

Horn

Franke

Unterseher

et al. 2013

American J of Botany

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Section: Discussionmentioning

confidence: 99%

Morphological and molecular analyses of fungal endophytes of achlorophyllous gametophytes ofDiphasiastrum alpinum(Lycopodiaceae)

Horn

Franke

Unterseher

et al. 2013

American J of Botany

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“…Hunt & Summerh. and D. fuchsii (Druce) Soo (Blechert et al 1999;Singh and Varma 2000;Singh et al 2001;Varma et al 2001) (Table 2).…”

Section: Host Spectrummentioning

confidence: 96%

Interactions of Piriformospora indica with Medicinal Plants

et al. 2008

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“…Orchidaceae mycorrhizal infection is often confined to underground roots and rhizomes (Singh & Varma, 2000). In order to avoid the interference of genes and compounds from mycorrhizal fungi, we chose uninfected portions of A. roxburghii above the culture medium for analysis.…”

Section: Transcriptome Sequencing De Novo Assembly and Unigene Annotationmentioning

confidence: 99%

Effects of the mycorrhizal fungus Ceratobasidium sp. AR2 on growth and flavonoid accumulation in Anoectochilus roxburghii

Zhang¹,

Li²,

Guo³

2020

PeerJ

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Background Anoectochilus roxburghii is a traditional Chinese medicine with potent medicinal activity owing to the presence of secondary metabolites, particularly flavonoids. A. roxburghii also maintains a symbiotic relationship with mycorrhizal fungi. Moreover, mycorrhizal fungi can induce metabolite synthesis in host plants. However, little is known about the role of mycorrhizal fungi in promoting the accumulation of flavonoid metabolites in A. roxburghii. Methods A. roxburghii and the isolated fungus Ceratobasidium sp. AR2 were cocultured. The portion of A. roxburghii above the medium treated with or without AR2 was studied by transcriptome and target metabolome analyses. Results AR2 promoted the growth and development of A. roxburghii. The contents of total flavonoid, rutin, isorhamnetin, and cyanidin-3-glucoside chloride were increased compared with those in uninoculated cultures. Transcriptome analysis suggested that 109 unigenes encoding key enzymes were potentially associated with changes in flavonoids. Quantitative real-time polymerase chain reaction of fourteen flavonoid-related unigenes showed that most flavonoid biosynthetic genes were significantly differentially expressed between inoculated and uninoculated plantlets. Conclusion The isolate AR2 could significantly promote the growth and development of A. roxburghii and the accumulation of flavonoids. Overall, our findings highlighted the molecular basis of the effects of mycorrhizal fungi on flavonoid biosynthesis in A. roxburghii and provided novel insights into methods to improve the yield and quality of A. roxburghii.

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Orchidaceous Mycorrhizal Fungi

Cited by 9 publications

References 61 publications

Morphological and molecular analyses of fungal endophytes of achlorophyllous gametophytes ofDiphasiastrum alpinum(Lycopodiaceae)

Morphological and molecular analyses of fungal endophytes of achlorophyllous gametophytes ofDiphasiastrum alpinum(Lycopodiaceae)

Interactions of Piriformospora indica with Medicinal Plants

Effects of the mycorrhizal fungus Ceratobasidium sp. AR2 on growth and flavonoid accumulation in Anoectochilus roxburghii

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