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D D Solihin

Unknown Affiliation

Author-ID : 384815

Agriculture, Biological Sciences & Forestry Veterinary

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Characterization of Partial Coding Region Fibroin Gene on Wild Silkmoth Cricula trifenestrata Helfer (Lepidoptera: Saturniidae) Suriana Suriana; D D Solihin; R R Noor; A M Thohari
Media Peternakan Vol. 34 No. 1 (2011): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

The study was conducted to characterize coding region of wild silkmoth C. trifenestrata partial fibroin gene, and detect these gene potential as molecular marker. A total of six larvae C. trifenestrata were collected from Bogor, Purwakarta and Bantul Regency. Genomic DNA was extracted from silk gland individual larvae, then amplified by PCR method and sequenced. DNA sequenced result was 986 nucleotide partial fibroin gene of C. trifenestrata, which are comprising complete coding region of first exon (42 nucleotide), an intron (113 nucleotide), and partial of second was exon (831 nucleotide). Only coding region was characterized. Results showed that first exon very conserved in C. trifenestrata. These gene consisted of 31%, thymine, 28% guanine, 21% cytosine, and 19% adenine. Cytosine and thymine (sites of 25th and 35th respectively) were marker for C. trifenestrata species. The first exon encoding 14 amino acids. Valine amino acid (12th site) was marker to the species C. trifenestrata. The partial second exon consisted of guanine (32.7%), alanine (26.5%), thymine (21%) and cytosine (19.7%). These region encoded 277 amino acids, which were dominated by the alanine (27.8%) and glycine (21.66%). Alanine formed polyalanine sequence with different motifs namely: AAAAAAASS, AAAAAAAAAAAGSSG, AAAAAAAAAAAAGSGTGFGGYDS, AAAAAAAAAAGSSGRGGYDGVDGGYGSGSS, and AAAAAAAAAAAAGSSGRGLGGYDGWVDDGYGSGSGS.

The Characteristics of Cytochrome C Oxidase Gene Subunit I in Wild Silkmoth Cricula trifenestrata Helfer and Its Evaluation for Species Marker . Suriana; D D Solihin; R R Noor; A M Thohari
Media Peternakan Vol. 35 No. 2 (2012): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

The study was conducted to assess the characteristics of partial gene of cytochrome C oxidase subunit I (COI) of wild silkmoth Cricula trifenestrata, and to detect the diagnostic sites from these gene for evaluation as species marker. A total of fifteen larvae of C. tifenestrata were collected from Bogor, Purwakarta, and Bantul Regencies. Genomic DNA was extracted from silk gland of individual larvae, then amplified by PCR method and sequenced. DNA sequencing was done to characterize their nucleotide and amino acid contents. The results showed that 595 nucleotides at the 5 'end of COI gene of C. tifenestrata was conserved at the species level, but varies at the family level. Nucleotide dominated by thymine and adenine bases (± 70%). There were 25 diagnostic sites for C. tifenestrata, and four diagnostic sites for genus level. One hundred eigthty nine (189) amino acids were alignment, and only one percent of the genes was varied among species. The 107th amino acid (valine) and 138th(threonine) were diagnostics amino acid for C. tifenestrata. Based on nucleotides and amino acids sequences, the phylogeny showed that C. tifenestrata lied on the same nodes with Antheraea, so the Saturniidae family is monophyletic.

Phylogeography of the Maleo Senkawor (Macrocephalon maleo Sal. Muller 1846) Based on Cytochrome B Gene in Sulawesi And Their Sex Determination using Molecular Sexing Abdul Samad; D D Solihin; Cece Sumantri; B Purwantara
Jurnal Ilmu Ternak dan Veteriner Vol 28, No 1 (2023): March 2023
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14334/jitv.v28i1.3107

The Maleo Senkawor bird (Macrocephalon maleo) is endemic and widely distributed in Sulawesi. Maleo Senkawor bird is monomorphic so it is difficult to distinguish between male and female individuals. This study aimed to determine the kinship relationship among M. maleo in various geographic areas in Sulawesi through the use of the gene marker Cytochrome-b (Cyt-b), determine the sex ratio, and examine the reliability of the 2550F/2718R primer. Fifteen (feather and eggshell) samples from North Sulawesi, Southeast Sulawesi, and Central Sulawesi were collected. Total DNA isolation was performed using the Dneasy® Blood and Tissue kit (Cat. No. 69504) following a Qiagen protocol with modification. PCR amplification (35 cycles) used a forward primer MMCytb_F (5'- GAAAATCCCACCCCCTACTA-3'), a reverse primer MMCytb_R (5'- GTTGGCTACGAGGAGTCAGA-3') and a primer for sexing used 2550F/2718R. Analysis was performed on the length of 903 bp Cyt-b mtDNA gene sequences of M. maleo along with their amino acid sequences (301 AA) and Chromo Helicase DNA-Binding (CHD) gene sequences. Based on the genetic distance of the Kimura 2-Parameter model and p-distance, the interpopulation of M. maleo in Sulawesi (the population of Southeast Sulawesi was separated from the population of Central Sulawesi and North Sulawesi) was 0.002 (0.2%) – 0.003 (0.3%). Each population has formed a different haplotype. Primer 2550F/2718R was able to amplify the CHD gene and could distinguish the sex identification. Male individuals are more dominant than female individuals with a sex ratio of 6,5:1

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