Academic Journal
Influence of short-term water sample storage on environmental RNA metabarcoding-based biodiversity assessment.
| Τίτλος: | Influence of short-term water sample storage on environmental RNA metabarcoding-based biodiversity assessment. |
|---|---|
| Συγγραφείς: | Wang, Fuwen1,2 (AUTHOR), Xiong, Wei1,2 (AUTHOR) weixiong@rcees.ac.cn, Huang, Xuena1 (AUTHOR), Zhan, Aibin1,2 (AUTHOR) azhan@rcees.ac.cn |
| Πηγή: | Journal of Environmental Sciences (Elsevier). Aug2026, Vol. 166, p224-234. 11p. |
| Θεματικοί όροι: | Biodiversity monitoring, Water sampling, Biotic communities, RNA, Genetic barcoding |
| Περίληψη: | • We evaluated short-term storage effects on eRNA-based biodiversity assessment. • Recovered taxa declined over time and fell below the detection threshold after 72h. • Time & temperature significantly impacted species detection & community structure. • eRNA degradation may significantly increase false negatives. • Results support the development of standardized eRNA-metabarcoding procedures. Environmental RNA-based metabarcoding has emerged as a powerful tool for biodiversity assessment across diverse disciplines. During field sampling and sample processing, collected water samples often require short-term storage. However, the effects of different storage conditions on biodiversity recovery remain largely unexplored. Here we evaluated the impacts of various storage temperatures (4, 10, 20 °C, and air temperature) and durations (1–72 h) on fish biodiversity recovery from eRNA samples. Our findings revealed that taxon richness declined significantly with increasing storage time and temperature, with storage time having a greater impact than temperature. No taxa were detected after 72 h of storage under any tested temperature condition. Although high-abundance taxa were generally more resilient, they still showed substantial declines in detectability over time, with a 9.5 %-35.7 % reduction in taxon richness observed after just 1 h of storage. Low-abundance taxa experienced a faster and more pronounced decline, with many detected only transiently. Both storage time and temperature, as well as taxon abundance, significantly affected detection rates, with taxon abundance having the strongest effect, followed by storage time and storage temperature. In addition to affecting taxon detection, short-term storage significantly impacted community structure and reduced the reproducibility of replicates. These findings highlight the potential for increased false negatives during short storage periods or even brief sample processing times. Meanwhile, these results provide crucial empirical evidence for developing standardized handling procedures in aquatic eRNA research and contribute to the broader methodological framework for reliable biodiversity monitoring using eRNA. [Display omitted] [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Environmental Sciences (Elsevier) is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
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| Items | – Name: Title Label: Title Group: Ti Data: Influence of short-term water sample storage on environmental RNA metabarcoding-based biodiversity assessment. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Wang%2C+Fuwen%22">Wang, Fuwen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xiong%2C+Wei%22">Xiong, Wei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> weixiong@rcees.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Huang%2C+Xuena%22">Huang, Xuena</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhan%2C+Aibin%22">Zhan, Aibin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> azhan@rcees.ac.cn</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Environmental+Sciences+%28Elsevier%29%22">Journal of Environmental Sciences (Elsevier)</searchLink>. Aug2026, Vol. 166, p224-234. 11p. – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Biodiversity+monitoring%22">Biodiversity monitoring</searchLink><br /><searchLink fieldCode="DE" term="%22Water+sampling%22">Water sampling</searchLink><br /><searchLink fieldCode="DE" term="%22Biotic+communities%22">Biotic communities</searchLink><br /><searchLink fieldCode="DE" term="%22RNA%22">RNA</searchLink><br /><searchLink fieldCode="DE" term="%22Genetic+barcoding%22">Genetic barcoding</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: • We evaluated short-term storage effects on eRNA-based biodiversity assessment. • Recovered taxa declined over time and fell below the detection threshold after 72h. • Time & temperature significantly impacted species detection & community structure. • eRNA degradation may significantly increase false negatives. • Results support the development of standardized eRNA-metabarcoding procedures. Environmental RNA-based metabarcoding has emerged as a powerful tool for biodiversity assessment across diverse disciplines. During field sampling and sample processing, collected water samples often require short-term storage. However, the effects of different storage conditions on biodiversity recovery remain largely unexplored. Here we evaluated the impacts of various storage temperatures (4, 10, 20 °C, and air temperature) and durations (1–72 h) on fish biodiversity recovery from eRNA samples. Our findings revealed that taxon richness declined significantly with increasing storage time and temperature, with storage time having a greater impact than temperature. No taxa were detected after 72 h of storage under any tested temperature condition. Although high-abundance taxa were generally more resilient, they still showed substantial declines in detectability over time, with a 9.5 %-35.7 % reduction in taxon richness observed after just 1 h of storage. Low-abundance taxa experienced a faster and more pronounced decline, with many detected only transiently. Both storage time and temperature, as well as taxon abundance, significantly affected detection rates, with taxon abundance having the strongest effect, followed by storage time and storage temperature. In addition to affecting taxon detection, short-term storage significantly impacted community structure and reduced the reproducibility of replicates. These findings highlight the potential for increased false negatives during short storage periods or even brief sample processing times. Meanwhile, these results provide crucial empirical evidence for developing standardized handling procedures in aquatic eRNA research and contribute to the broader methodological framework for reliable biodiversity monitoring using eRNA. [Display omitted] [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Environmental Sciences (Elsevier) is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.jes.2025.11.019 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 224 Subjects: – SubjectFull: Biodiversity monitoring Type: general – SubjectFull: Water sampling Type: general – SubjectFull: Biotic communities Type: general – SubjectFull: RNA Type: general – SubjectFull: Genetic barcoding Type: general Titles: – TitleFull: Influence of short-term water sample storage on environmental RNA metabarcoding-based biodiversity assessment. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Wang, Fuwen – PersonEntity: Name: NameFull: Xiong, Wei – PersonEntity: Name: NameFull: Huang, Xuena – PersonEntity: Name: NameFull: Zhan, Aibin IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 08 Text: Aug2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 10010742 Numbering: – Type: volume Value: 166 Titles: – TitleFull: Journal of Environmental Sciences (Elsevier) Type: main |
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