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  1. Abdul Halim SAA, Esa Y, Gan HM, Zainudin AA, Mohd Nor SA
    Mitochondrial DNA B Resour, 2023;8(1):38-41.
    PMID: 36620317 DOI: 10.1080/23802359.2022.2158694
    The catfish, Pangasius nasutus and P. conchophilus, are often misidentified between each other due to their similar morphology. Thus, the current study was conducted to differentiate them based on a molecular approach. The complete mitochondrial genomes of P. nasutus and P. conchophilus obtained from the Pahang River (Peninsular Malaysia) were sequenced, assembled, and annotated using next-generation sequencing (NGS). A 16,465 bp and 16,470 bp length mitogenome sequence of P. nasutus and P. conchophilus, respectively, was generated, each containing 13 protein genes, 22 tRNAs, and two rRNAs, typical of most vertebrates. This is the first report of the complete mitochondrial genome sequences of P. nasutus and P. conchophilus. These data are a valuable genetic resource for future studies of these two commercially important species.
  2. Jamaluddin JAF, Mohammed Akib NA, Ahmad SZ, Abdul Halim SAA, Abdul Hamid NK, Mohd Nor SA
    PMID: 31012766 DOI: 10.1080/24701394.2019.1597073
    A total of 74 shrimp specimens were sequenced at a 584 bp segment of the cytochrome oxidase subunit I (COI) gene to examine patterns of DNA barcode variation in a mangrove biodiversity hotspot. The Maximum Likelihood tree, barcode gap analysis, Automatic Barcode Gap Discovery analysis and sequence comparisons with data available from Barcode of Life Data System and GenBank recovered 18 taxa of which 15 were identified to species level, 2 at genus level and a single taxon at order level. Two deep mitochondrial DNA lineage divergences were found in the giant tiger prawn, Penaeus monodon. It is suggested that one of the lineages is a consequence of an introduction from aquaculture activity. These results have provided a reliable barcode library for cataloguing shrimps in this area.
  3. Shazniza Shaaya E, Halim SAA, Leong KW, Ku KBP, Lim PS, Tan GC, et al.
    PMID: 34299901 DOI: 10.3390/ijerph18147450
    Background:Candida chorioamnionitis is rarely encountered, even though vulvovaginal candidiasis incidence is about 15%. Interestingly, it has characteristic gross and histological findings on the umbilical cord that are not to be missed. Case Report: We report two cases of Candida chorioamnionitis with presence of multiple yellowish and red spots of the surface of the umbilical cord. Microscopically, these consist of microabscesses with evidence of fungal yeasts and pseudohyphae. The yeasts and pseudohyphae were highlighted by periodic acid- Schiff and Grocott methenamine silver histochemical stains. Both cases were associated with a history of gestational diabetes mellitus. Discussion: Peripheral funisitis is a characteristic feature of Candida chorioamnionitis. It is associated with high risk of adverse perinatal and neonatal outcomes, such as preterm delivery, stillbirth and neonatal death. We recommend careful examination of the umbilical cord of mothers with gestational diabetes mellitus.
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