Andrew D. Montecillo

ORCID: 0000-0003-0627-1920
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Research Areas
  • Genomics and Phylogenetic Studies
  • Animal Virus Infections Studies
  • Microbial Community Ecology and Physiology
  • Enzyme Production and Characterization
  • Insect and Pesticide Research
  • Viral gastroenteritis research and epidemiology
  • Bat Biology and Ecology Studies
  • Animal Disease Management and Epidemiology
  • Bee Products Chemical Analysis
  • Hepatitis B Virus Studies
  • Nanoparticles: synthesis and applications
  • Viral Infections and Immunology Research
  • Bacteriophages and microbial interactions
  • Human-Animal Interaction Studies
  • Plant and animal studies
  • Legume Nitrogen Fixing Symbiosis
  • Plant-Microbe Interactions and Immunity
  • Recycling and Waste Management Techniques
  • Protein purification and stability
  • Graphene and Nanomaterials Applications
  • Yersinia bacterium, plague, ectoparasites research
  • Advanced Nanomaterials in Catalysis
  • Microbial Metabolic Engineering and Bioproduction
  • Virus-based gene therapy research
  • Zoonotic diseases and public health

University of the Philippines Los Baños
2017-2025

Universitat de Lleida
2018

ABSTRACT We report two coding-complete genome sequences of porcine reproductive and respiratory syndrome virus 2 from field clinical samples obtained in 2021 (BA2021012A) 2023 (ME20230008B-2) the Philippines. BA2021012A (15,388 bp) is classified as a lineage L8C strain while ME20230008B-2 (15,513 vaccine-like L7.

10.1128/mra.01164-24 article EN Microbiology Resource Announcements 2025-01-08

Abstract In 2018, pigeon Rotavirus A G18P[17] was identified in Australia as the causative agent of a disease outbreak presenting vomiting and diarrhea, reminiscent young syndrome. This virus has subsequently been detected several other countries, including Belgium, Denmark, Germany, Great Britain, Poland, United States. study conducted to determine presence among archived samples collected Taiwan, characterize whole genome local isolate. Two hundred twenty-five liver from 2018 2023 were...

10.1038/s41598-025-87271-6 article EN cc-by Scientific Reports 2025-02-21

ABSTRACT Here, we report on the draft genomes of five putative biosurfactant-producing isolates Serratia sp. from East, West, and South bays Laguna de Bay, Philippines. The contigs ranged 20 to 21, genome lengths 5,175,553 5,214,031 bp.

10.1128/mra.01268-24 article EN Microbiology Resource Announcements 2025-03-10

African Swine Fever (ASF) outbreak was first recorded in the Philippines July 2019. Since then, disease has spread across provinces Luzon, Visayas, and Mindanao causing severe economic consequences for country’s swine industry. . Here, we report genome sequencing of ASF virus strains from outbreaks several between 2021 to 2023, using a long-read tiled amplicon approach. The coding-complete genomes generated ranged 187,609 189,540 bp length, with GC content 38.4% 38.5%. Notably, strain Bataan...

10.20944/preprints202503.0874.v1 preprint EN 2025-03-12

An African Swine Fever (ASF) outbreak was first recorded in the Philippines July 2019. Since then, disease has spread across provinces Luzon, Visayas, and Mindanao, causing severe economic consequences for country’s swine industry. Here, we report genome sequencing of ASF virus strains from outbreaks several between 2021 2023, using a long-read tiled amplicon approach. The coding-complete genomes generated ranged 187,609 to 189,540 bp length, with GC contents 38.4% 38.5%. Notably, strain...

10.3390/v17040588 article EN cc-by Viruses 2025-04-21

Bats are highly diverse and ecologically valuable mammals. They serve as host to bacteria, viruses fungi that either beneficial or harmful its colony well other groups of cave organisms. The bacterial diversity two bat guano samples, C1 C2, from Cabalyorisa Cave, Mabini, Pangasinan, Philippines were investigated using 16S rRNA gene amplicon sequencing. V3-V4 hypervariable regions amplified then sequenced Illumina MiSeq 250 PE system. Reads processed Mothur QIIME pipelines assigned 12,345...

10.1371/journal.pone.0200095 article EN cc-by PLoS ONE 2018-07-19

Domestic cat hepadnavirus (DCH) is an infectious disease associated with chronic hepatitis in cats, which suggests a similarity B virus infections humans. Since its first identification Australia 2018, DCH has been reported several countries varying prevalence rates, but presence Taiwan yet to be investigated. In this study, we aimed identify the and genetic diversity of Taiwan. Among 71 samples tested, eight (11.27%) were positive for DCH. Of these cases, three cats had elevated levels...

10.3390/v15102128 article EN cc-by Viruses 2023-10-20

H5 subtype high-pathogenicity avian influenza (HPAI) viruses continue to devastate the poultry industry and threaten food security public health. The first outbreak of HPAI in Philippines was reported 2017. Since then, outbreaks have been 2020, 2022, 2023. Here, we report publicly available complete whole-genome sequence an H5N1 virus from a case Central Luzon. Samples were collected flock layer chickens exhibiting signs lethargy, droopy wings, ecchymotic hemorrhages trachea with excessive...

10.3390/pathogens13100844 article EN cc-by Pathogens 2024-09-28

We report a coding-complete genome sequence of an African swine fever virus from outbreak in 2021 among domestic pigs Pangasinan, Philippines using Oxford Nanopore Technologies minION. The linear assembly is single contig with 192,377 bp.

10.1128/mra.00719-22 article EN Microbiology Resource Announcements 2022-11-09

Background A three-day One Health training program for undergraduate and graduate students, as well professionals in Health-related fields, was conducted by the Philippine University Network (PhilOHUN), collaboration with Southeast Asia (SEAOHUN), through a webinar series. To measure impact of on awareness, knowledge, attitude, practices (A-KAP) related to topics covered program, this study conducted. Methods quasi-experimental design employed evaluate effect A-KAP participants. An online...

10.29392/001c.75304 article EN cc-by Journal of Global Health Reports 2023-05-17

Two nanocellulose-producing bacteria were isolated from separate local nata starter cultures and characterized to determine their putative identity. The nanocellulose produced by the two bacterial isolates compared if differences between material properties in vitro biocompatibility species-dependent. Nanocellulose membranes inoculating Hestrin–Schramm media using different carbon sources (glucose, mannitol sucrose). of scanning electron microscopy, Fourier-transform infrared spectroscopy,...

10.1177/0885328219852728 article EN Journal of Biomaterials Applications 2019-05-22

Antimicrobial resistance (AMR) poses a global and developmental threat to humanity. The rapid emergence spread of drug-resistant pathogens resulted in the ineffective use currently available antibiotics. Therefore, there is need continue searching for additional sources antibiotics, such as actinomycetes, which can potentially harbor unique effective secondary metabolites. Furthermore, it interesting consider poorly explored environments like volcanoes, be potential drug leads medically...

10.56899/150.6a.01 article EN The Philippine journal of science 2021-08-18

Streptomyces sp. strains AC1-42T and AC1-42W, isolated from bat guano Cabalyorisa Cave, Mabini, Pangasinan, Philippines, are active against Bacillus subtilis subsp. KCTC 3135T. The near-complete genome sequences reported here represent a possible source of ribosomally synthesized, posttranslationally modified peptides, such as lantipeptides, bacteriocins, linaridin, lasso peptide.

10.1128/mra.00904-18 article EN Microbiology Resource Announcements 2018-08-22

Laguna Lake is known for its ecological, economic, and cultural importance. Effects of urbanization accumulation emerging pollutants have been associated with water quality; however, the microbial ecology tributaries remains to be explored. We report bacterial community profiles from shotgun metagenomes select tributary waters.

10.1128/mra.01161-23 article EN Microbiology Resource Announcements 2024-04-17

ABSTRACT Here we report the 16S rRNA gene amplicon analysis of gut microbiota three frugivorous cave bat species from Cathedral Cave in Cavinti, Laguna, Philippines. Among species, most abundant phyla are Proteobacteria and Firmicutes D.

10.1128/mra.00426-24 article EN Microbiology Resource Announcements 2024-08-20

ABSTRACT Lactobacillus plantarum subsp. strain LB1-2, isolated from the hindgut of European honeybees in Philippines, is active against Paenibacillus larvae and has broad activity several Gram-positive Gram-negative bacteria. The complete genome sequence reported herein contains gene clusters for multiple bacteriocins extensive inventories carbohydrate metabolism.

10.1128/genomea.00209-18 article EN Genome Announcements 2018-04-04

Rhizobium sp. strain 11515TR was isolated from the rhizosphere of tomato in Laguna, Philippines. The 7.07-Mb complete genome comprises three replicons, one chromosome, and two plasmids, with a G+C content 59.4% 6,720 protein-coding genes. encodes gene clusters supporting processes, plant symbiosis, secondary bioactive metabolites.

10.1128/mra.00903-18 article EN Microbiology Resource Announcements 2018-08-22

Ralstonia solanacearum strain T523 is the major phytopathogen causing tomato bacterial wilt in Philippines. Here, we report complete chromosome and draft megaplasmid genomes with predicted gene inventories supporting rhizosphere processes, extensive plant virulence effectors, production of bioactive signaling metabolites, such as ralstonin, micacocidin, homoserine lactone.

10.1128/mra.01048-18 article EN Microbiology Resource Announcements 2018-09-26

The wide applications of gold nanoparticles in fields such as electronics and biomedicine (targeted-drug delivery) have caught the interest many researchers. In this study, Serratia marcescens NBL 1001 was screened for its ability to synthesize (AuNP). Colorimetric change from light yellow purple, 24 h after supplementation 1mM tetrachloroaric acid (HAuCl4), indicated production AuNP. UV-Vis scanning spectrophotometry bacterial suspension, cell-free supernatant reconstituted cell pellets S....

10.1088/1755-1315/230/1/012103 article EN IOP Conference Series Earth and Environmental Science 2019-02-19

We report here the draft genome sequences of six bacteria isolated from near-bottom waters and surface sediments Benham Bank, Philippine Rise, Philippines. These represent candidate novel species and/or strains families Flavobacteriaceae Dermacoccaceae genera Idiomarina, Bacillus, Vibrio.

10.1128/mra.00777-19 article EN Microbiology Resource Announcements 2019-07-17
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