Mycorrhizal Formation and Diversity of Endophytic Fungi in Hair Roots of &lt;i&gt;Vaccinium oldhamii&lt;/i&gt; Miq. in Japan

Baba, Takashi; Hirose, Dai; Sasaki, Nobumitsu; Watanabe, Naoaki; Kobayashi, Nobuo; Kurashige, Y.; Karimi, Fraidoon; Ban, Takuya

doi:10.1264/jsme2.me16011

Cited by 21 publications

(15 citation statements)

References 23 publications

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“…3) indicated that the identity of RooDK6 is Pezicula ericae which is a newly recorded species in the fungal flora of Taiwan. O. maius is more frequently detected in the field [36], and this is the first time it has been isolated in Taiwan [18].…”

Section: Discussionmentioning

confidence: 99%

Characteristics of root-cultivable endophytic fungi from Rhododendron ovatum Planch

Lin

2018

Braz J Microbiol

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Ericoid mycorrhiza can improve the competitiveness of their host plants at the ecosystem level. The ability of ericoid mycorrhizal fungi to thrive under harsh environmental conditions suggests that they are capable of decomposing plant organic matter. This study aims to characterize 2 strains of root-cultivable endophytic fungi, RooDK1 and RooDK6, from Rhododendron ovatum Planch using colony and hyphal morphology, molecular analysis, observations of mycorrhiza, and investigations of adaptation to different sources of organic matter. Nitrogen utilization was also investigated by assessing protease production and growth on different nitrogen sources. Morphological studies indicated that both species are ericoid mycorrhizal fungi; our molecular studies confirmed RooDK1 as Oidiodendron maius and classified RooDK6 as Pezicula ericae. We observed that only RooDK1 can assist in host plant survival by degrading organic matter. This species also secretes protease and has the highest nitrate reductase activity of these 2 endophytes. Thus, RooDK1 has a greater ability to help the host plants thrive in a harsh habitat.

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Section: Discussionmentioning

confidence: 99%

Characteristics of root-cultivable endophytic fungi from Rhododendron ovatum Planch

Lin

2018

Braz J Microbiol

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“…Endophytic fungi refer to groups of fungi that colonize inside healthy tissues of host plants but do not cause obvious symptoms of disease (Petrini 1991). They are symbionts and include species that can be mutualists, decomposers, and parasites (Bacon and White 2000;Baba et al 2016). Endophytic fungi have high species diversity.…”

Section: Introductionmentioning

confidence: 99%

“…The antifungal griseofulvin was produced using Xylaria endophytes isolated from V. angustifolium Aiton (Richardson et al 2014). Ascomycetes were found as the dominant group in V. oldhamii Miq roots (Baba et al 2016), and high fungal diversity was found in the leaves of Vaccinium dunalianum var. urophyllum (Hayata) Li (Li et al 2016b).…”

Section: Introductionmentioning

confidence: 99%

Diversity of endophytic fungi from the leaves of Vaccinium dunalianum

Fan

Chen

Luo

et al. 2020

Lett. Appl. Microbiol.

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Significance and Impact of the Study: The isolated 239 endophytic fungal strains belong to 33 genera, 62 species, in which a high diversity of endophytic fungi was observed in Vaccinium dunalianum leaves. In this study, two taxa Phyllosticta capitalensis and Guignardia mangiferae with potential antimicrobial activity were the dominant endophytes. This is a promising source of natural bioactive compounds for future agro-industry application.

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“…The ericoid mycorrhizal roots of ericaceous plants are often referred to as 'hair roots', usually having a distal diameter of <100 µm [15]. Several studies showed that the mycorrhizal colonization levels of hair roots of ericaceous plants are up to 99% [24,25]. The hair roots branch from thicker fine roots that contain few or no fungal tissues [26].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Root Surface Enzyme Activity of Ericaceous Plants and Picea abies Growing at the Tree Line in the Austrian Alps

Wang

Otgonsuren

Duan

et al. 2018

Forests

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Plants with ericoid mycorrhizal and ectomycorrhizal associations coexist at the tree line and in many boreal forests. Both ericoid mycorrhizal and ectomycorrhizal roots are known to produce extracellular enzymes, but ericoid mycorrhizal fungi have been demonstrated in vitro to have higher enzyme activities. On hair roots of four ericoid mycorrhizal species (Rhododendron ferrugineum, Vaccinium vitis-idaea, Vaccinium myrtillus, Calluna vulgaris) and on ectomycorrhizal and non-mycorrhizal root tips of Picea abies growing at the tree line (1700 m) in the Austrian Alps, potential activities of eight extracellular root enzymes were estimated. Our results show that the activities of all the different extracellular root enzymes were generally similar among the ericaceous plant species. The mean laccase enzyme activity of ectomycorrhizal root tips of Picea abies was significantly higher than that of both the hair roots and fine roots of the ericaceous species. Leucine-amino-peptidase activity on hair roots was significantly higher than on non-mycorrhizal fine roots for the ericaceous vegetation. However, the mean activity of β-glucuronidase of the ericaceous species was significantly higher in fine roots compared to the hair roots. Generally extracellular root enzyme activity is not higher on ericaceous roots compared to ectomycorrhizas of Picea abies.

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Mycorrhizal Formation and Diversity of Endophytic Fungi in Hair Roots of <i>Vaccinium oldhamii</i> Miq. in Japan

Cited by 21 publications

References 23 publications

Characteristics of root-cultivable endophytic fungi from Rhododendron ovatum Planch

Characteristics of root-cultivable endophytic fungi from Rhododendron ovatum Planch

Diversity of endophytic fungi from the leaves of Vaccinium dunalianum

Comparison of Root Surface Enzyme Activity of Ericaceous Plants and Picea abies Growing at the Tree Line in the Austrian Alps

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