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All Journal HAYATI Journal of Biosciences Prosiding Seminar Biologi Aceh Journal of Animal Science JURNAL BIOLOGI INDONESIA Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Biosaintifika: Journal of Biology & Biology Education Jurnal Natural Proceeding Biology Education Conference TROPICAL GENETICS Makara Journal of Science Tropical Genetics
Bambang Suryobroto
Department Of Biology, Faculty Of Mathematics And Natural Sciences, Bogor Agricultural University, Darmaga Campus, Bogor 16680, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health

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Maternal genetic variation of Betawi population Wolly Candramila; Bambang Suryobroto
Tropical Genetics Vol. 1 No. 2 (2021)
Publisher : Genetikawan Muda Indonesia

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Abstract

Betawi identity was assessed based on the diversity of maternal lines using genetic markers in the D-loop region of mitochondrial DNA. The results of the cleavage by the restriction enzymes DdeI, HaeII, HaeIII, and HinfI showed five patterns of genetic variants which were later named Haplotype I, II, III, IV, and V. Haplotype I had the highest frequency of 75.6%, followed by Haplotype III 11.5%, and Haplotype II 10.3%. Haplotypes IV and V were only found in 1 individual each and were assumed to be individual mutations. The highest haplotype in the Betawi population showed the same restriction enzyme cleavage pattern with all comparison samples from the Sunda and Malay populations. Meanwhile, Haplotype II and III were strongly suspected as the result of the divergence of Haplotype I and can also be found in other ethnic groups in Indonesia. This finding confirms Jakarta as a location for ethnic mixing which then produces a new local culture as Betawi Culture.
Variation and Distribution of the Sulawesi Giant Rat (Paruromys dominator) Based on Morphological Approaches Dwijayanti, Endah; Suryobroto, Bambang; Widayati, Kanthi Arum; Achmadi, Anang Setiawan
HAYATI Journal of Biosciences Vol. 31 No. 6 (2024): November 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.6.1037-1049

Abstract

Correlations between natural geographic boundaries and variations in organisms' morphology have been well-documented in Sulawesi Island, which has a unique geological history and hundreds of endemic species. One of the widely distributed species of small mammals is Sulawesi giant rat (Paruromys dominator). Considering the geographic condition of Sulawesi, this species is a suitable model for studying geographic influences on morphological change. Moreover, there are no comprehensive studies on this species. Previous studies cannot fully explain the variability due to the lack of representative samples. Here, we measure 19 skull characteristics for 131 adult complete-skull specimens from six distribution areas in Sulawesi. We investigate the variation in skull characteristics using agglomeration nesting (AGNES) for cluster analysis and the standardized major axis (SMA) for allometry analysis. Our results show that P. dominator can be categorized into two groups, but distribution areas, elevation, or sex do not influence those. P. dominator in group 1 had a larger skull size than group 2. The two groups can be distinguished from four characteristics: breadth of mesopterygoid fossa (BMF), breadth of first upper molar (BM1), length of the auditory bulla (LB), and breadth of incisive foramina (BIF). The BMF and BM1 are related to mastication, and the LB and BIF are related to communication. We propose that the skull variation of this species is not correlated with geographical barriers but more clearly correlated with their feeding habits, mating behavior, and ability to escape predation. These findings were useful for future studies on the taxonomic status of P. dominator.
Food Habits of the Common Palm Civet (Paradoxurus hermaphroditus) in Pangandaran Nature Reserve, West Java, Indonesia: a Preliminary Report Tsuji, Yamato; Tatewaki, Takafumi; Farajallah, Achmad; Tanaka, Hiroyuki; Arum Widayati, Kanthi; Suryobroto, Bambang
HAYATI Journal of Biosciences Vol. 31 No. 4 (2024): July 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.4.687-692

Abstract

We conducted a preliminary survey of the wild common palm civet Paradoxurus hermaphroditus in a secondary forest in Pangandaran Nature Reserve, West Java, Indonesia. We collected 125 fresh fecal samples between October 2018 and August 2019. We conducted faecal analyses after species confirmation by camera trapping and faecal DNA analysis. Almost all faeces contained fruits and seeds (frequency of occurrence: 97.6%), while the percentage of animal matter (including mammals, birds, insects, non-insect arthropods, and molluscs) was much lower (22.4%). We observed no seasonal differences in major faecal contents. Higher dependence on fruits by the common palm civets was similar to those in other study sites. Seeds of at least eight different plant species were found in the faeces of the common palm civets, which implied that the common palm civets would play roles as seed dispersal agents.
Coat Color Variation and Hair Color Banding in the Papuan Bandicoot (Echymipera kalubu, Marsupialia: Peramelidae) Maker, Ursula Paulawati; Suryobroto, Bambang; Atmowidi, Tri; Imai, Hiroo; Widayati, Kanthi Arum
HAYATI Journal of Biosciences Vol. 32 No. 6 (2025): November 2025
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.32.6.1608-1625

Abstract

Coat color in mammals plays important adaptive roles, including camouflage, communication, and thermoregulation. Intraspecific variation in coat color is often associated with local environmental conditions. This study investigates coat color and hair color banding in the common spiny bandicoot (Echymipera kalubu), which exhibits ventral color polymorphism. We examined twenty individuals from Manokwari, West Papua, categorizing them into red-ventral and white-ventral groups. Coat color was quantified from digital photographs using CIE Lab* values, and hair color banding types were analyzed microscopically from body areas: dorsal, lateral, and ventral. Significant differences were found between the two groups and among the body areas. Red-ventral individuals exhibited higher a (redness) and b (yellowness) values, especially in the ventral area, whereas white-ventral individuals showed higher L (Lightness) values and reduced chromaticity. Seven hair color banding types were identified, with red-ventral individuals displaying a more diverse hair color banding type across body areas, particularly in lateral and ventral areas. Habitat substrate color analysis revealed that red-ventral individuals inhabited darker, red-yellow environments, whereas white-ventral individuals occupied lighter, less saturated habitats. The dorsal-to-ventral gradient in pigmentation and banding in E. kalubu is predicted to have a countershading function to avoid predators.
Co-Authors ACHMAD FARAJALLAH Agustinus Suyanto Ahmad Abdul Jabbar AKICHIKA MIKAMI Akichika Mikami Aksamina M Yohanita ALEX HARTANA ALEX HARTANA ALEX HARTANA Alex Hartana Alex Hartana Alex Hartana Alex Hartana Anang Setiawan Achmadi Annawaty Annawaty, Annawaty Arum Widayati, Kanthi Bambang Prayitno Cut Tina Meuthia Daisy Wowor DAMAYANTI BUCHORI Dede Setiadi Dwijayanti, Endah DYAH PERWITASARI -FARAJALLAH Eki Susanto Eki Susanto Elda Irma Jeanne Joice Elda Irma Jeanne Joice Kawulur Emiko Nishi Eneng Nunuz Rohmatullayaly I Ketut Junitha Imai, Hiroo ISLAMUL HADI Kanthi Arum Widayati KANTHI ARUM WIDAYATI MAELITA RAMDANI MOEIS MAELITA RAMDANI MOEIS Maker, Ursula Paulawati NOVITA TRI ARTININGRUM Nurul Huda Wulandari Ona Norwana Permesyawari Muktiono Puji Rianti PURNAMA HIDAYAT Sarah Nila SARAH NILA SJAFRIDA MANUWOTO SONY HERU SUMARSONO SONY HERU SUMARSONO Sri Budiarti Poerwanto Tanaka, Hiroyuki Tatewaki, Takafumi TETRI WIDIYANI TETRI WIDIYANI TETRI WIDIYANI TETRI WIDIYANI Tri Atmowidi Tsuji, Yamato Wahyudin Abd. Karim Watanabe, Kunio Watanabe, Kunio Winati Nurhayu WOLLY CANDRAMILA Yamato Tsuji Yeni Aryati Mulyani Yuzuru Hamada Yuzuru Hamada Yuzuru Hamada