Diversity and phylogeny of seagrasses in Singapore

Kwan, Valerie; M, Pavarne Shantti Sivalingam V; Lam, Elise Yan Yu; Ow, Yan Xiang; Huang, Danwei

doi:10.1016/j.aquabot.2023.103648

Cited by 2 publications

(2 citation statements)

References 38 publications

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“…Several research teams independently performed conducted molecular phylogenetic analyses. They found strong evidence that Cymodocea serrulata forms a distinct genetic clade separate from other species in the genus Cymodocea, such as C. rotundata and C. nodosa [12][13][14].…”

Section: Reasons For Name Changementioning

confidence: 99%

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A Discussion on the Renaming of \(\textit{Cymodocea serrulata}\) to \(\textit{Oceana serrulata}\): Implications for Seagrass Research and Conservation in Vietnam

Luong,

Nguyen,

Bui

2023

VJMST

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The seagrass species previously classified as Cymodocea serrulata has been reclassified as Oceana serrulata. This reclassification is based on genetic analysis, which reveals a distinct separation of this species from others within the Cymodocea genus. This change will have implications for future research and taxonomy, highlighting the value of advanced genetic techniques in elucidating the relationships between seagrass species. Nevertheless, further analysis is warranted as new evidence emerges. The transition to the designation Oceana serrulata harmonizes traditional morphological descriptions with modern genetic phylogenetics, enabling a more precise classification. This adjustment will facilitate targeted research on the newly categorized Oceana genus’s biology, ecology, and conservation. We emphasize the importance of disseminating this update to inform the scientific community about these alterations in species classification. Accurate taxonomy serves as the essential foundation for biological research and conservation efforts. Presenting the rationale and process behind taxonomic changes enhances understanding of scientists’ challenges. Furthermore, evaluating name changes encourages scientific discourse and feedback, underscoring the significance of ongoing taxonomic reassessment in advancing seagrass biology and conservation.

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Section: Reasons For Name Changementioning

confidence: 99%

“…Dense stands occur in the Gulf of Thailand [33], around Indonesian islands [26,29], and in the Philippines [34] and Vietnam [28]. Smaller isolated populations are found in Singapore [14]. In Vietnam, O. serrulata distribution of Con Dao, Phu Quoc, and Khanh Hoa [35,36].…”

Section: Description Of New Namementioning

confidence: 99%

A Discussion on the Renaming of \(\textit{Cymodocea serrulata}\) to \(\textit{Oceana serrulata}\): Implications for Seagrass Research and Conservation in Vietnam

Luong,

Nguyen,

Bui

2023

VJMST

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Morphological and genetic identification of Halophila species and a new distribution record of Halophila nipponica at the Tanjung Adang Laut shoal, Johor, Malaysia

Che Alias,

Zakaria,

Ramaiya

et al. 2024

PLoS ONE

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The Halophila species exhibit complex characteristics due to their high degree of variation across different bioregions. This study delves into the intricate characteristics of Halophila species in the Tanjung Adang Laut shoal, Johor, Malaysia, and offers valuable insights through morphological and genetic evidence. Employing internal transcribed sequences (ITS), we investigated the phylogeny of Halophila species, revealing distinct clades for H. ovalis, H. major, H. spinulosa, and the newly recorded H. nipponica. Notably, H. nipponica from the Tanjung Adang Laut shoal formed a conspecific relationship with its counterparts from Japan and Korea (98.3–98.5% similarity; 5–11 bp differences). Morphologically, distinguishing features, including the ratio of the half-lamina width (1:4.76–6.13 mm) and cross-vein count (4–7 pairs), supported the identification of H. nipponica. Genetic distance analyses revealed differences between H. nipponica, H. ovalis, and H. major, indicating haplotype diversity. Geographical variations were evident, as H. nipponica presented unique haplotypes (H24) in its clade. The 47 haplotypes network identified significant mutation sites, providing a comprehensive understanding of genetic and morphological distinctions. In conclusion, this study highlights the intricate characteristics and phylogeny of Halophila species in the Tanjung Adang Laut shoal, Johor, and provides valuable insights into their genetic and morphological diversity.

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Diversity and phylogeny of seagrasses in Singapore

Cited by 2 publications

References 38 publications

A Discussion on the Renaming of \(\textit{Cymodocea serrulata}\) to \(\textit{Oceana serrulata}\): Implications for Seagrass Research and Conservation in Vietnam

A Discussion on the Renaming of \(\textit{Cymodocea serrulata}\) to \(\textit{Oceana serrulata}\): Implications for Seagrass Research and Conservation in Vietnam

Morphological and genetic identification of Halophila species and a new distribution record of Halophila nipponica at the Tanjung Adang Laut shoal, Johor, Malaysia

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