Paper · 2025 · Frontiers in Cellular and Infection Microbiology

Novel endophytic pestalotioid species associated with Itea in Thailand

Jutamart Monkai; Rungtiwa Phookamsak; Darbhe Jayarama Bhat; et al.

11
claims
16
verbatim quotes
0
citations
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research areas
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Open access · cc-by

Abstract

Endophytic fungi are a well-known fascinating host-associated fungal group that can enhance plant growth and fitness by producing various bioactive secondary metabolites. They are an excellent source of industrial enzymes for potential secondary metabolite synthesis, which is useful in green agriculture, biotechnology, and pharmaceuticals. Itea is a valuable plant genus since it naturally contains rare sugar; however, endophytic fungi associated in this host have not yet been documented. In the present study, 11 strains of endophytic fungi were isolated and primarily identified as pestalotioid taxa based on morphological characteristics exhibited in vitro . Eleven strains of Pestalotiopsis- like taxa were isolated from the healthy leaves, stems, and roots of Itea japonica and I. riparia from Chiang Mai Province, Thailand. Species delimitation was based on morphology, multiloci phylogeny of a concatenated ITS, tub2 , and tef1-α sequence data, and nucleotide polymorphism analyses. Neopestalotiopsis iteae and Pseudopestalotiopsis iteae are proposed as new species on I. japonica and I. riparia , respectively. Neopestalotiopsis chrysea , N. haikouensis , and Pestalotiopsis jinchanghensis are described as new records on I. riparia . Owing to the conspecific relationship based on multiloci phylogeny and identically nucleotide pairwise comparison of sufficient gene regions, several species are synonymized including Neopestalotiopsis cercidicola and N. terricola as N. haikouensis , N. umbrinospora as N. chrysea , and Pestalotiopsis zhaoqingensis as P. jinchanghensis . The updated phylogenetic trees, nucleotide comparisons, and morphological descriptions are herein provided and discussed for the taxonomic placements of these new species and records. This study is the first to investigate Itea endophytes in Thailand, and it reveals the intra- and interspecific relationships of pestalotioid species, which need to be further reevaluated because of ambiguous taxa.

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Claims 11

Observationobservedoriginal resultmeasured

Claim · model-written summary

Eleven pestalotioid strains were isolated from Itea leaves, stems and roots in Chiang Mai.

Taxon
Itea japonicaItea japonicae0
Organ / stage
healthy leaves, stems, and rootse0
Interactor
Pestalotiopsis- like taxae0symbiont
Outcome
Pestalotiopsis- like taxa were isolatede0
Value
Eleven strainse0
Setting
Chiang Mai Province, Thailande0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Itea japonica
Itea japonica · TaxonRudolphous · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Eleven strains of Pestalotiopsis- like taxa were isolated from the healthy leaves, stems, and roots of Itea japonica and I. riparia from Chiang Mai Province, Thailand”

✓ located verbatim in the source · abstract, characters 666–832 · show in text ↑
Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Neopestalotiopsis iteae was proposed as a new species on I. japonica.

Taxon
I. japonicaItea japonicae0
Interactor
Neopestalotiopsis iteaee0symbiont
Outcome
proposed as new speciese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Itea japonica
Itea japonica · TaxonRudolphous · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Neopestalotiopsis iteae and Pseudopestalotiopsis iteae are proposed as new species on I. japonica and I. riparia , respectively”

✓ located verbatim in the source · abstract, characters 994–1121 · show in text ↑
Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Pseudopestalotiopsis iteae was proposed as a new species on I. riparia.

Taxon
I. ripariaHyloniscus ripariuse0
Interactor
Pseudopestalotiopsis iteaee0symbiont
Outcome
proposed as new speciese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Neopestalotiopsis iteae and Pseudopestalotiopsis iteae are proposed as new species on I. japonica and I. riparia , respectively”

✓ located verbatim in the source · abstract, characters 994–1121 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Neopestalotiopsis chrysea was newly recorded on I. riparia.

Taxon
I. ripariaHyloniscus ripariuse0
Interactor
Neopestalotiopsis chryseaNeopestalotiopsis chryseae0symbiont
Outcome
new recordse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Neopestalotiopsis chrysea , N. haikouensis , and Pestalotiopsis jinchanghensis are described as new records on I. riparia”

✓ located verbatim in the source · abstract, characters 1123–1244 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

N. haikouensis was newly recorded on I. riparia.

Taxon
I. ripariaHyloniscus ripariuse0
Interactor
N. haikouensisNeopestalotiopsis haikouensise0symbiont
Outcome
new recordse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Neopestalotiopsis chrysea , N. haikouensis , and Pestalotiopsis jinchanghensis are described as new records on I. riparia”

✓ located verbatim in the source · abstract, characters 1123–1244 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Pestalotiopsis jinchanghensis was newly recorded on I. riparia.

Taxon
I. ripariaHyloniscus ripariuse0
Interactor
Pestalotiopsis jinchanghensisPestalotiopsis jinchanghensise0symbiont
Outcome
new recordse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Neopestalotiopsis chrysea , N. haikouensis , and Pestalotiopsis jinchanghensis are described as new records on I. riparia”

✓ located verbatim in the source · abstract, characters 1123–1244 · show in text ↑
Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Neopestalotiopsis cercidicola was synonymized with N. haikouensis.

Taxon
I. ripariaHyloniscus ripariuse1
Interactor
Neopestalotiopsis cercidicolae0symbiont
Outcome
Neopestalotiopsis cercidicola and N. terricola as N. haikouensise0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Neopestalotiopsis cercidicola and N. terricola as N. haikouensis”

✓ located verbatim in the source · abstract, characters 1431–1495 · show in text ↑
e1

“I. riparia from Chiang Mai Province, Thailand”

✓ located verbatim in the source · abstract, characters 787–832 · show in text ↑
Observationobservedoriginal resultbasis n/a

Claim · model-written summary

N. terricola was synonymized with N. haikouensis.

Taxon
I. ripariaHyloniscus ripariuse1
Interactor
N. terricolaNeopestalotiopsis terricolae0symbiont
Outcome
N. terricola as N. haikouensise0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Neopestalotiopsis cercidicola and N. terricola as N. haikouensis”

✓ located verbatim in the source · abstract, characters 1431–1495 · show in text ↑
e1

“I. riparia from Chiang Mai Province, Thailand”

✓ located verbatim in the source · abstract, characters 787–832 · show in text ↑
Observationobservedoriginal resultbasis n/a

Claim · model-written summary

N. umbrinospora was synonymized with N. chrysea.

Taxon
I. ripariaHyloniscus ripariuse1
Interactor
N. umbrinosporaNeopestalotiopsis umbrinosporae0symbiont
Outcome
N. umbrinospora as N. chryseae0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“N. umbrinospora as N. chrysea”

✓ located verbatim in the source · abstract, characters 1498–1527 · show in text ↑
e1

“I. riparia from Chiang Mai Province, Thailand”

✓ located verbatim in the source · abstract, characters 787–832 · show in text ↑
Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Pestalotiopsis zhaoqingensis was synonymized with P. jinchanghensis.

Taxon
I. ripariaHyloniscus ripariuse1
Interactor
Pestalotiopsis zhaoqingensisPestalotiopsis zhaoqingensise0symbiont
Outcome
Pestalotiopsis zhaoqingensis as P. jinchanghensise0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Hyloniscus riparius
Hyloniscus riparius · TaxonDe Smedt P, Boerave P, Arijs G, Segers S (2018) Woodlice of Belgium: an annotated checklist and bibliography (Isopoda, Oniscidea). In: Hornung E, Taiti S, Szlav · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Pestalotiopsis zhaoqingensis as P. jinchanghensis”

✓ located verbatim in the source · abstract, characters 1534–1583 · show in text ↑
e1

“I. riparia from Chiang Mai Province, Thailand”

✓ located verbatim in the source · abstract, characters 787–832 · show in text ↑
Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

The study reveals intra- and interspecific relationships among Itea pestalotioid endophytes that need reevaluation.

Taxon
IteaIteae1
Interactor
pestalotioid speciese0symbiont
Outcome
intra- and interspecific relationships of pestalotioid speciese0
Qualifier
ambiguous taxae0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Itea
Itea · Taxon · picture of the genus (one of its species)User:Imc · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“it reveals the intra- and interspecific relationships of pestalotioid species, which need to be further reevaluated because of ambiguous taxa”

✓ located verbatim in the source · abstract, characters 1842–1983 · show in text ↑
e1

“Itea endophytes in Thailand”

✓ located verbatim in the source · abstract, characters 1809–1836 · show in text ↑