Analysis of genetic variability in Aquilaria malaccensis from Bramhaputra valley, Assam, India using ISSR markers

Banu, Sofia; Baruah, D.; Bhagwat, Rasika M.; Sarkar, Purabi; Bhowmick, Ananya; Kadoo, Narendra Y.

doi:10.1016/j.flora.2015.09.007

Cited by 9 publications

(4 citation statements)

References 39 publications

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“…However, it can be assumed that the genetic variation of G. versteegii in Pongkor Community Forest is still within the common range of the species. Compared to h value of other agarwood producing tree, h value obtained from this study was higher than h value of A. malaccensis from Assam, India which was obtained at 0.14 (Banu et al 2015). Nonetheless, the research of Singh et al (2015) showed that other agarwood-producing species, A. malaccensis had heterozygosity values in the range of 0.597-0.811.…”

Section: Genetic Variation Of Gyrinops Versteegiicontrasting

confidence: 70%

“…The genetic identification also assists in monitoring activities of endangered species (Allendorf et al 2013). Molecular markers were widely used for genetic identification of agarwood producing species, such as G. versteegii from Papua using RAPD method (Siburian et al 2017), G. versteegii from Lombok using RAPD markers (Widyatmoko et al 2009), Aquilaria malaccensis using ISSR markers (Banu et al 2015), natural Aquilaria populations in Peninsular Malaysia using ISSR markers (Lee et al 2018a), selected Aquilaria species from Malaysia using RAPD and SCARS (Lee et al 2011).…”

Section: Introductionmentioning

confidence: 99%

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Genetic variation of agarwood producing tree (Gyrinops versteegii) from Pongkor, Manggarai District, Flores Island, Indonesia using ISSR molecular markers

et al. 2020

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Abstract. Irsyad AF, Rindyaastuti R, Yulistyarini T, Darmayanti AS, Daryono BS. 2020. Genetic variation of agarwood producing tree (Gyrinops versteegii) from Pongkor, Manggarai District, Flores Island, Indonesia using ISSR molecular markers. Biodiversitas 21: xxxx. Agarwood is a black-colored tree wood that produces distinctive sap because of fungal infections which belong to Thymelaeaceae family (mainly Aquilaria and Gyrinops). Agarwood product is highly valuable that leading to over exploitations by the collectors. To develop the most effective and efficient conservation strategies, genetic information from these plants is required. The aims of this research are to determine the genetic variation and to confirm the species identity of agarwood producing tree (Gyrinops versteegii (Gilg.) Domke) population in Pongkor Community Forest, Pongkor, Manggarai District, Flores Island, East Nusa Tenggara. Information of the genetic variation, as well as the phenetic relatedness, were evaluated with inter-simple sequence repeat molecular marker (ISSR) using five primers; Ng2.01, Ng2.06, Ng3.01, Ng3.02, and UBC 855, with two other agarwood producing species as outgroup (Aquilaria filaria and Gyrinops decipiens). Amplified bands from all primers showed 55.17% polymorphic bands in G. versteegii. Genetic variation of G. versteegii identified with Nei’s genetic diversity (h value) obtained at 0.218. Clustering analysis from UPGMA dendrograms formed three major clusters. Degree of similarity of G. versteegii based on the dendrograms obtained at 85.9% using SSM method. The results showed close phenetic relatedness between individuals and relatively high genetic variation of G. versteegii, however, imply the need for strictly maintenance of habitat preservation and larger population size.

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Section: Genetic Variation Of Gyrinops Versteegiicontrasting

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Genetic variation of agarwood producing tree (Gyrinops versteegii) from Pongkor, Manggarai District, Flores Island, Indonesia using ISSR molecular markers

et al. 2020

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“…Aquilaria, a plant of signi cant economic and medicinal value, has been a focal point for researchers worldwide aiming to safeguard its genetic resources and establish a scienti c foundation for sustainable development and utilization [25,35,36]. This global effort has resulted in extensive investigations into the diversity of Aquilaria germplasm resources and the population genetic structure [37][38][39]. This study contributes valuable insights into the distribution of Aquilaria species across different countries, as outlined in Table 1.…”

Section: Discussionmentioning

confidence: 99%

Origin and diversification of Aquilaria (Thymelaeaceae): inferences from a phylogenetic study based on matK sequences

Xie,

Fan,

et al. 2024

Preprint

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In the realm of Aquilaria classification and grading, a persistent market uncertainty persists, questioning whether the basis should be geographical distribution or biological origin. In this study, our goal is to shed light on the origin and diversification of the Aquilaria genera. We collected and analyzed a total of 320 specimens belonging to 25 species within the Aquilaria genera. Noteworthy findings include observed leaf similarities among three distinct species—A. yunnanensis, A. sinensis, and A. beccariana. Further results emphasize the effectiveness of matK molecular markers in differentiating Aquilaria species, leveraging 8 stable polymorphic loci. The integration of matK and trnL-trnF not only validates this efficacy but also streamlines the systematic categorization of 34 agarwood products. Delving into the evolutionary status and genetic background of Aquilaria, this study employs molecular clock analyses, revealing four distinct pedigrees: the Chinese pedigree 1 and 2, the Indonesian pedigree, and the Indochina pedigree, aligning with A. sinensis, A. malaccensis, and A. cumingiana, respectively. Notably, we identified A. sinensis and A. malacca as part of the youngest branch of Aquilaria evolution, with A. hirta emerging as the oldest member dating back to 6.78 million years ago. Furthermore, the research challenges previous assumptions by reevaluating G. walla, placing it at 5.75 million years ago, and suggesting its incorporation within the Aquilaria genus rather than considering it as an early divergent species.

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“…Jumlah sampel yang digunakan pada penelitian dapat memberikan pengaruh pada nilai keragaman genetik seperti yang teramati pada jenis Aquilaria malaccensis (Banu et al, 2015), namun hal ini tidak teramati pada penelitian ini. Nilai keragaman genetik populasi Gunung Kerinci (0,325 ± 0,180) dan Tanjung Bonai (0,333 ± 0,166) yang masing-masing terdiri dari 5 sampel, tidak jauh berbeda dengan nilai keragaman genetik pada populasi Sunggayang (0,332 ± 0,167) dan Batipuah (0,351 ± 0,160) yang terdiri dari 11 dan 8 sampel andalas.…”

Section: B Keragaman Genetik Pada Populasi Andalasunclassified

Kajian Keragaman Genetik Andalas (Morusmacroura) Untuk Konservasi Genetik Flora Asli Sumatera Barat

Prihatini

Widyatmoko²,

Qiptiyah³

et al. 2021

JPTH

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Conservation managementstrategies for native Sumatran species such as andalas (Morus macroura) are currently being developed through genetic diversitystudies. Theseinformationswill be used to enhance ongoing conservation and regeneration programs and to control the exploitation of these high-valueplant species. This initial study aimed to develop a method for extracting DNA from andalas cambium, to select polymorphic RAPD primers and to study genetic diversity using selected RAPD primers. DNA was successfully extracted usingthe CTAB method from all 32 cambium samples collected from Jambi and West Sumatra. Eighteen RAPD primers were screened and six polymorphic primerswereselected (OPO-6, OPY-6, OPY-15, OPW-1, OPW-3 and OPW-4). RAPD analysis using the sixselected primers resulted in 52 polymorphic loci and thevalue of genetic diversity within the population (Hs) of 0.308 and the value of genetic diversity among populations (DST) of 0.091. The highest genetic diversity was observed in Batipuah,Tanah Datar(0.351) whilethelowest was observed in Halaban,Lima Puluh Kota (0.205).A test with AMOVA shows that the genetic diversity between individuals is greater than the diversity between populations.The dendogram based on the genetic distance between populations showsthat the andalas population in West Sumatra is separated into two groups and both are separated from the Jambi population.The results of this study can be used as a basis for further research on several other andalas populations as well as the basic informationfor conservation strategiesof andalas

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Analysis of genetic variability in Aquilaria malaccensis from Bramhaputra valley, Assam, India using ISSR markers

Cited by 9 publications

References 39 publications

Genetic variation of agarwood producing tree (Gyrinops versteegii) from Pongkor, Manggarai District, Flores Island, Indonesia using ISSR molecular markers

Genetic variation of agarwood producing tree (Gyrinops versteegii) from Pongkor, Manggarai District, Flores Island, Indonesia using ISSR molecular markers

Origin and diversification of Aquilaria (Thymelaeaceae): inferences from a phylogenetic study based on matK sequences

Kajian Keragaman Genetik Andalas (Morusmacroura) Untuk Konservasi Genetik Flora Asli Sumatera Barat

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