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psbA-trnH Intergenic Spacer profile of Wax Apple (Syzygium samarangense (Blume) Merr. & L.M. Perry) Cultivars Meilina, Tiara Dwi; Chika, Syifara; Hariri, Muhammad Rifqi; Febriana, Asri; Mukaromah, Arnia Sari
Jurnal Ilmu Pertanian Indonesia Vol. 29 No. 4 (2024): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.29.4.548

The fruit known as wax apple, scientifically named Syzygium samarangense (Blume) Merr. & L.M. Perry, is a well-liked agricultural product originating from Demak Regency in the Central Java Province. When it is difficult to distinguish between different forms of an organism, using DNA barcoding to authenticate the identity of species based on their DNA is an important way. The psbA-trnH intergenic spacer is a commonly used molecular approach to analyse the genetic characteristics of plant species. This study investigated the psbA-trnH intergenic spacer profile of wax apple cultivars from Demak regency. The investigation revealed that the psbA-trnH intergenic spacer sequences of the S. samarangense cultivars, namely Madu Thailand and Madu Deli Hijau, had lengths of 535 and 492 base pairs, respectively. Both cultivars demonstrate a greater nucleotide composition of deoxyadenylic acid (A) and deoxythymidylic acid (T) in comparison to deoxycytidilic acid (C) and deoxyguanylic (G). The genetic distance between S. samarangense ‘Madu Thailand’ and ‘Madu Deli Hijau’ indicates a very tight relationship, with a value of 0.000. The psbA-trnH intergenic spacer proved to be insufficient in differentiating the S. samarangense cultivars from Demak regency, mostly because to its low capacity to discern between the wax apple cultivars. Keywords: Demak, psbA-trnH intergenic spacer, Syzygium samarangense, wax apple

Authentication of Wax Apple (Syzygium samarangense (Blume) Merr. & L.M Perry) Delima and Citra Cultivars by Morphological and Molecular Approach Mukaromah, Arnia Sari; Ulfah, Malia; Rachmah, Annisa Nur; Arfan, Muhammad Ramdhani; Kusumarini, Niken; Febriana, Asri
Al-Hayat: Journal of Biology and Applied Biology Vol. 6 No. 1 (2023)
Publisher : Fakultas Sains dan Teknologi, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/ah.v6i1.18713

Wax apple Delima and Citra Cultivars are two superior non-climacteric tropical fruit commodities from Demak Regency which have similar morphological characters but have different fruit characteristics. Identification wax apple cultivars from Demak regency using DNA barcoding approach has not been researched yet. The aims of this research are to analyze the morphological similarities of wax apple between Delima and Citra cultivars and to identify genetic variations of wax apple Delima and Citra using trnL-trnF intergenic spacer for molecularly authentication. The results shown that there were no differences in the environmental parameters of the wax apple two cultivated area in Demak Regency. According to the morphological approach, the Delima and Citra cultivars in Demak Regency were grouped separately into Delima and Citra clusters with a similarity index of 61.5% (Citra cultivars) and 60.5% (Delima cultivars) and separated based on the origin of their cultivation area. Genetic variations between wax apple Delima and Citra in Demak Regency consisted of deletions (9delA & 17delA) and conserved P6 loop in all compared cultivars. The possibility of heteroplasmy R (A,G) found at 73 nucleotide number in Delima Betokan cultivar and Citra cultivars (Betokan and Jungpasir). Meanwhile, Delima Jungpasir cultivar is K (G,T). There were P8 stem-loops with different lengths between Delima cultivars (Betokan and Jungpasir) and the same length in Citra cultivars (Betokan and Jungpasir). Therefore, the trnL-trnF intergenic spacer has not been thoroughly used in wax apple Delima and Citra authentication due to the presence of a secondary structure which causes the loss of the electropherogram signal so that the nucleotide sequence cannot be read.

Authentication of Wax Apple (Syzygium samarangense (Blume) Merr. & L.M Perry) Delima and Citra Cultivars by Morphological and Molecular Approach Mukaromah, Arnia Sari; Ulfah, Malia; Rachmah, Annisa Nur; Arfan, Muhammad Ramdhani; Kusumarini, Niken; Febriana, Asri
Al-Hayat: Journal of Biology and Applied Biology Vol. 6 No. 1 (2023)
Publisher : Fakultas Sains dan Teknologi, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/ah.v6i1.18713

Wax apple Delima and Citra Cultivars are two superior non-climacteric tropical fruit commodities from Demak Regency which have similar morphological characters but have different fruit characteristics. Identification wax apple cultivars from Demak regency using DNA barcoding approach has not been researched yet. The aims of this research are to analyze the morphological similarities of wax apple between Delima and Citra cultivars and to identify genetic variations of wax apple Delima and Citra using trnL-trnF intergenic spacer for molecularly authentication. The results shown that there were no differences in the environmental parameters of the wax apple two cultivated area in Demak Regency. According to the morphological approach, the Delima and Citra cultivars in Demak Regency were grouped separately into Delima and Citra clusters with a similarity index of 61.5% (Citra cultivars) and 60.5% (Delima cultivars) and separated based on the origin of their cultivation area. Genetic variations between wax apple Delima and Citra in Demak Regency consisted of deletions (9delA & 17delA) and conserved P6 loop in all compared cultivars. The possibility of heteroplasmy R (A,G) found at 73 nucleotide number in Delima Betokan cultivar and Citra cultivars (Betokan and Jungpasir). Meanwhile, Delima Jungpasir cultivar is K (G,T). There were P8 stem-loops with different lengths between Delima cultivars (Betokan and Jungpasir) and the same length in Citra cultivars (Betokan and Jungpasir). Therefore, the trnL-trnF intergenic spacer has not been thoroughly used in wax apple Delima and Citra authentication due to the presence of a secondary structure which causes the loss of the electropherogram signal so that the nucleotide sequence cannot be read.

Secondary Metabolite Profile in Stem and Root of Keji Plant (Staurogyne elongata [Blume] Kuntze) Safitri, Hana; Malik, Abdul; Mukaromah, Arnia Sari
Biotropika: Journal of Tropical Biology Vol. 12 No. 1 (2024)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2024.012.01.02

Keji (Staurogyne elongata [Blume] Kuntze) is an herbal medicinal plant that is often found on the Java to Sumatra islands. The leaves and roots of keji (S. elongata) have been used by the community as diuretic drugs, increasing blood pressure and trusted to treat bladder stones, kidney stones, and joint problems. However, research on secondary metabolites in the stems and roots of keji has never been done. The study aimed to identify the secondary metabolite content and marker compounds in the stems and roots of S. elongata. The research stages were drying and sample grinding, extraction, and metabolite compound analysis using Gas Chromatography-Mass Spectrometry (GC-MS). The results showed nine secondary metabolite compounds found in S. elongata stem, such as phenol, terpenoid, and alcohol. Meanwhile, secondary metabolite compounds of S. elongata root were ten compounds from the coumaran, phenols, and ester group. The 2,2’-methylenebis[6-(1,1-dimethylethyl)-4-methyl-phenol is proposed as a marker compound in S. elongata stem. Meanwhile, no secondary metabolites can be used as marker compounds in S. elongata roots because octadecanoic acid, 2-hydroxy-1-(hydroxymethyl)ethyl ester is the primary metabolite.

Micromorphological Characterization and DNA Barcoding of Durio macrantha Kosterm. from the Bogor Botanical Garden Collection Magandhi, Mahat; Rusydina, Diyana Sabila; Mukaromah, Arnia Sari
Buitenzorg: Journal of Tropical Science Vol 2 No 1 (2025): Vol. 2 No. 1 (2025): Buitenzorg: Journal of Tropical Science
Publisher : Innovation Centre for Tropical Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70158/buitenzorg.v2i1.16

Durio macrantha is an endemic species first discovered in 1981 in Gunung Leuser National Park, North Sumatra, and has been conserved at the Bogor Botanical Garden since 1994. This study aims to characterize the micromorphology and DNA profile D. macrantha using DNA barcoding with rbcL and ITS gene markers. Sample of D. macrantha were collected from the Bogor Botanical Gardens for analysis. Micromorphological analysis revealed that the leaves exhibit three vein types (primary, secondary, and tertiary) with a pentagonal venation pattern and a tri-veinlet veinlet pattern. Additionally, eight types of trichomes were observed on the abaxial surface. Molecular characterization showed that the rbcL sequence was 563 bp long, with nucleotide composition T (27.9%), C (21.7%), A (27.9%), and G (22.6%). The ITS sequence was 960 bp long, with nucleotide composition T (15.4%), C (33.4%), A (19.0%), and G (32.2%). BLAST analysis of both rbcL and ITS genes revealed a high level of similarity between D. macrantha and D. zibethinus. This study provides fundamental data supporting the conservation and further research of D. macrantha, particularly in morphological and molecular aspects.

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