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All Journal Biodiversitas Journal of Biological Diversity
JUNAIRIAH JUNAIRIAH
Department of Biology, Faculty of Science and Technology, Universitas Airlangga. Jl. Dr. Ir. H. Soekarno, Surabaya 60115, East Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Morpho-anatomical characterization and DNA barcoding of Achillea millefolium L. MOCHAMMAD ILHAM; SITI RIZQIYATUL MUKARROMAH; GALUH AYU RAKASHIWI; DANI TRI INDRIATI; BRUNI FLARANDA YOKU; PUTUT RAKHMAD PURNAMA; JUNAIRIAH JUNAIRIAH; SEHANAT PRASONGSUK; HERY PURNOBASUKI; DWI KUSUMA WAHYUNI
Biodiversitas Journal of Biological Diversity Vol. 23 No. 4 (2022)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d230430

Abstract

Abstract. Ilham M,Mukarromah SR, Rakashiwi GA, Indriati DT, Yoku BF, Purnama PR, Junairiah, Prasongsuk S,Purnobasuki H, Wahyuni DK. 2022. Morpho-anatomical characterizationand DNA barcoding of Achillea millefolium L. Biodiversitas 23: 1958-1969. One of the important things to study the distribution of secondary metabolites in the plant body is to carry out the identification process. Morphological markers have several limitations to recognize plants, therefore supporting data is needed so that the information becomes more comprehensive. This study aims to identify Achillea millefolium L. based on morphological, anatomical, and DNA barcoding markers to obtain specific data and avoid confusion. Morphological studies were carried out descriptively using vegetative organs, while anatomical studies of rhizomes, stems, and leaves used the paraffin method. The DNA barcoding was performed by analyzinggenes from 3 different individuals. The research was carried out by amplifying and sequencing the partial gene in the ribulose-bisphosphate carboxylaselarge subunit (rbcL) regions and maturase-K (matK). The results showed that the plant had taproots, short stems due to root rosette and the leaves were double compound. The rhizome and stem tissues had almost the same structure, while the leaves had a tissue arrangement that was similar to other plants in general, except that the mesophyll tissue was undifferentiated. The results of DNA barcoding showed a percentage of identity above 98% for both the rbcLand matK genes.
Morpho-anatomical characterization and DNA barcode of Cosmos caudatus Kunth. HERY PURNOBASUKI; GALUH AYU RAKHASHIWI; JUNAIRIAH JUNAIRIAH; DWI KUSUMA WAHYUNI; RAMADHANI EKA PUTRA; RIKA RAFFIUDIN; RC HIDAYAT SOESSILOHADI
Biodiversitas Journal of Biological Diversity Vol. 23 No. 8 (2022)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d230830

Abstract

Abstract. Purnobasuki H, Rakhashiwi GA, Junairiah, Wahyuni DK, Putra RE, Raffiudin R, Soessilohadi RCH. 2022. Morpho-anatomical characterization and DNA barcode of Cosmos caudatus Kunth. Biodiversitas 23: 4097-4108. Secondary metabolites in plants have various benefits, therefore their distribution in plant body parts is important to study. The identification process of plants should be conducted using several characters, including morphological and molecular data. This study aimed to identify and confirm Cosmos caudatus Kunth using morpho-anatomy characters and DNA barcodes. The plants used were three samples taken from the Husada Graha Famili Park, Surabaya. The morpho-anatomical investigation was carried out descriptively, while the DNA barcoding study was processed by amplifying and sequencing the rbcL and matK genes. Morphological studies indicate that the roots and stems of C. caudatus are similar to the organs of dicots shrubs in general. The leaves have a pinnate type with two different colors on each side of the leaf. Compound flowers are cup-type with two types of flowers, namely disc flowers and ray flowers. Based on anatomical observation, all vegetative organs have the same tissue as dicotyledonous plants. The anatomical characteristic of C. caudatus lies in its trichomes due to its anthocyanin content and stomata which are anomocytic and anisocytic types. DNA barcoding results showed that the three sample plants had identical similarities with several Cosmos genera contained in the GenBank database with percentage identities values ??above 98%, query covers 96-100%, and e-values ??of 0.
Antibacterial and biosurfactant activity of endophytic bacteria isolated from mangrove plant in Lamongan, Indonesia FATIMAH FATIMAH; NAZIL DWI RAHAYUNINGTYAS; ALIFAH NASTITI; DELA DWI ALAWIYAH; RICO RAMADHAN; ALMANDO GERALDI; JUNAIRIAH JUNAIRIAH
Biodiversitas Journal of Biological Diversity Vol. 25 No. 7 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250725

Abstract

Abstract. Fatimah, Rahayuningtyas ND, Nastiti A, Alawiyah DD, Ramadhan E, Geraldi A, Junairiah. 2024. Antibacterial and biosurfactant activity of endophytic bacteria isolated from mangrove plant in Lamongan, Indonesia. Biodiversitas 25: 3035-3042. This study aims to determine the antibacterial and biosurfactant activity of 61 endophytic bacteria from mangrove plants in Kutang Lamongan Beach. Antibacterial screening of supernatant of endophytic bacteria was performed using the disc diffusion method against Escherichia coli ATCC 25922 and Staphylococcus aureus ATCC 25923. The most potent isolate was identified using 16s rRNA. The chemical compounds of the most potent isolate were identified using GC-MS analysis. The data were analyzed descriptively. Biosurfactant activity was also performed on the most potential isolate. All the isolates showed inhibitory zones against E. coli and S. aureus. Isolate LMG-2 produced the highest antimicrobial activity, averaging 9.57±0.4 mm against E. coli and 8.87±0.36 mm against S. aureus. The biosurfactant activity of LMG-2 isolate produced a surface tension of 39.09+0.49 mN/m and emulsification activity of 65.03+0.03% against kerosene, 47.63+0.10% against crude oil and 46.53+0.27 to diesel. The isolate LMG-2 had 98,41% similarity with the Bacillus amyloliquefaciens strain NBRC 15535 with a query cover of 100%. The biosurfactant extract contains 9-octadecenoic acid methyl ester, (E)-, 9,12-octadecadienoic acid (Z, Z) methyl ester, and 9,12,15-octadecadienoic acid methyl ester. These compounds, known as Fatty Acid Methyl Esters (FAMEs), were integral components of biosurfactants, surface-active agents produced by microorganisms.
Microbial community profiling of volcanic-affected rice soils near Mount Semeru, Lumajang, Indonesia using Next-Generation Sequencing for biofertilizer development DWI NUR RIKHMA SARI; NI'MATUZAHROH NI'MATUZAHROH; FATIMAH FATIMAH; SALAMUN SALAMUN; MOCH AFFANDI; JUNAIRIAH JUNAIRIAH
Biodiversitas Journal of Biological Diversity Vol. 26 No. 9 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260915

Abstract

Abstract. Sari DNR, Ni’matuzahroh, Fatimah, Salamun, Affandi M, Junairiah. 2025. Microbial community profiling of volcanic-affected rice soils near Mount Semeru, Lumajang, Indonesia using Next-Generation Sequencing for biofertilizer development. Biodiversitas 26: 4424-4434. This study represents the first attempt to apply Next-Generation Sequencing (NGS) based on the 16S rRNA gene to analyze the microbial community structure in paddy soil affected by the eruption of Mount Semeru in Lumajang. This study aims to profile the microbial communities of volcanic-affected rice soils near Mount Semeru. Sequencing was conducted using ONT, with Guppy and NanoFilt for bioinformatic processing. Soil chemical analysis revealed a moisture content of 1.22%, organic carbon at 0.96%, and nitrogen at 0.1%. Available phosphorus was measured at 11 ppm, with a Cation Exchange Capacity (CEC) of 6.22 cmol(+)kg?¹. The microbial community was highly diverse, encompassing 100,046 observed species, with a Shannon-Wiener diversity index of 5.528 and estimated species richness values of 2,337.51 (Chao1) and 1,242.00 (ACE). This diversity spanned 44 phyla, 109 classes, and more than 5,000 species. The dominant phylum was Pseudomonadota (46.35% of total OTUs in the sample), with major genera including Lysobacter (5.90%) and Gaiella (4.44%). Opportunistic pathogens were also detected, underscoring the need to strengthen health and safety measures in post-eruption agricultural areas. These findings provide critical insights into the resilience of microbial communities and highlight their potential application in the development of biofertilizers and environmental biotechnology in Indonesia, offering hope for the future of agriculture in volcanic-affected areas.
Co-Authors ALIFAH NASTITI ALMANDO GERALDI BRUNI FLARANDA YOKU DANI TRI INDRIATI DELA DWI ALAWIYAH DWI KUSUMA WAHYUNI DWI KUSUMA WAHYUNI DWI NUR RIKHMA SARI FATIMAH FATIMAH GALUH AYU RAKASHIWI GALUH AYU RAKHASHIWI Hery Purnobasuki MOCH AFFANDI MOCHAMMAD ILHAM NAZIL DWI RAHAYUNINGTYAS NI'MATUZAHROH NI'MATUZAHROH PUTUT RAKHMAD PURNAMA RAMADHANI EKA PUTRA RC HIDAYAT SOESSILOHADI RICO RAMADHAN RIKA RAFFIUDIN SALAMUN SALAMUN SEHANAT PRASONGSUK SITI RIZQIYATUL MUKARROMAH