Explanipedia

Contribution to the current list of Nitzschia species (Bacillariophyceae) in Malaysia Open

Suriyanti Su Nyun Pau, Dzulhelmi Muhammad Nasir, Gires Usup · 2021

Current occurrence of Nitzschia Hassall from marine and freshwater environment in Malaysia is compiled from current and previously published materials. Phytoplankton was collected using a 20 µm plankton net from waterfronts of Peninsular M…

PURIFICATION AND PARTIAL CHARACTERISATION OF AN ANTIFUNGAL BACTERIOCIN FROM Bacillus sp. Sh10 ASSOCIATED WITH MARINE CARPET CLAM (Paphia textile) Open

Fatemeh Shayesteh, Asmat Ahmad, Gires Usup · 2021

This study was conducted to purify and characterize an anti- C. albicans bacteriocin produced by Bacillus sp. Sh10 isolated from marine carpet clam, Paphia textile. Extracellularly produced bacteriocin was purified by 80 % ammonium sulfate…

GlobalHAB - the International SCOR-IOC Science Program on Harmful Algal Blooms. Activities 2019-2020 and Plans for 2020-2021 Open

Elisa Berdalet, Raphael M. Kudela, Neil S. Banas, Michele A. Burford, Christopher J. Gobler , et al. · 2020

The partial renovation took place on May 2020. It was conducted virtually due to the Covid-19 pandemic. Since then, all the communication has been conducted by email and virtual meetings

Biosynthesis of Saxitoxin in Marine Dinoflagellates: An Omics Perspective Open

Muhamad Afiq Akbar, Nurul Yuziana Mohd Yusof, Noor Idayu Tahir, Asmat Ahmad, Gires Usup , et al. · 2020

Saxitoxin is an alkaloid neurotoxin originally isolated from the clam Saxidomus giganteus in 1957. This group of neurotoxins is produced by several species of freshwater cyanobacteria and marine dinoflagellates. The saxitoxin biosynthesis …

Construction and Analysis of Metagenome Library from Bacterial Community Associated with Toxic Dinoflagellate Alexandrium tamiyavanichii Open

Muhd Danish‐Daniel, Mohd Ezhar Mohd Noor, Yeong Yik Sung, Min Pau Tan, Gires Usup · 2019

Previous studies have suggested that a specific community of bacteria coexists within the phycosphere of marine dinoflagellates. In order to better understand the dinoflagellate-bacteria relationships, a fosmid clone library was constructe…

GlobalHAB (IOC-UNESCO and SCOR): International coordination for sound knowledge of HABs to manage their impacts Open

Elisa Berdalet, Neil S. Banas, Eileen Bresnan, Michele A. Burford, Keith Davidson , et al. · 2018

The 18th International Conference on Harmful Algae (ICHA), From ecosystems to socio-ecosystems, 21-26 October 2018, Nantes, France.-- Networking activities around HABs: GlobalHAB, Global HAB Status report, ICES-WGs and other initiatives.--…

Current Knowledge and Recent Advances in Marine Dinoflagellate Transcriptomic Research Open

Muhamad Afiq Akbar, Asmat Ahmad, Gires Usup, Hamidun Bunawan · 2018

Dinoflagellates are essential components in marine ecosystems, and they possess two dissimilar flagella to facilitate movement. Dinoflagellates are major components of marine food webs and of extreme importance in balancing the ecosystem e…

Detection of virulence genes, antibiotic resistance genes, plasmid profile and molecular typing among Vibrio vulnificus isolated from Malaysian seawater and sediment Open

Ashraf Abbas Drais, Merriam Ghadhanfar Alwan, Anmar Hameed Bloh, Asmat Ahmad, Fathul Karim Sahrani , et al. · 2018

Morphology and molecular phylogeny of the marine diatom Nitzschia dentatum sp. nov. and N. johorensis sp. nov. (Bacillariophyceae) from Malaysia Open

Suriyanti Su, Gires Usup · 2017

The marine diatom Nitzschia dentatum sp. nov. isolated from seawater samples of Kudat and N. johorensis sp. nov. isolated from beach sand samples of Sibu Island, Malaysia, have been described in this paper. Morphological identification, mo…

GlobalHAB, 2017. Global Harmful Algal Blooms, Science and Implementation Plan Open

Elisa Berdalet, Neil S. Banas, Eileen Bresnan, Michele A. Burford, Keith Davidson , et al. · 2017

SCREENING OF TOXIC MARINE NITZSCHIA SPECIES (BACILLARIOPHYCEAE) IN MALAYSIA Open

Suriyanti Su Nyun Pau, Dzulhelmi Muhammad Nasir, Gires Usup · 2017

Amnesic Shellfish Poisoning (ASP) is a type of intoxication caused by the neurotoxin domoic acid (DA). The diatom genus Nitzschia is capable of producing this toxin. Screening for the presence of toxic Nitzschia spp. was …

Harmful Algal Blooms in Benthic Systems: Recent Progress and Future Research Open

Elisa Berdalet, Patricia A. Tester, Mireille Chinain, Santiago Fraga, Rodolphe Lemée , et al. · 2017

Shallow, well-illuminated coastal waters from tropical to temperate latitudes are attractive environments for humans. Beaches and coral reefs have provided lodging and food to coastal communities for centuries. Unfortunately, tropical regi…

GlobalHAB: A New Program to Promote International Research, Observations, and Modeling of Harmful Algal Blooms in Aquatic Systems Open

Elisa Berdalet, Raphael M. Kudela, Ed Urban, Henrik Enevoldsen, Neil S. Banas , et al. · 2017

From 1998 to 2013, the international community of scientists researching harmful algal blooms (HABs) in marine systems worked through the Intergovernmental Oceanographic Commission (IOC) of UNESCO and the Scientific Committee on Oceanic Re…

GlobalHAB: A New Program to Promote International Research, Observations, and Modeling of Harmful Algal Blooms in Aquatic Systems Open

Elisa Berdalet, Raphael M. Kudela, Ed Urban, Henrik Enevoldsen, Neil S. Banas , et al. · 2017

Notes on the Mass Occurrence of the Ciliate Mesodinium rubrum (non-toxic red tide) in Malacca River, Malaysia Open

Suriyanti Su Nyun Pau, Dzulhelmi Muhammad Nasir, Gires Usup · 2017

Jurnal Biologi Indonesia diterbitkan oleh Perhimpunan Biologi Indonesia. Jurnal ini memuat hasil penelitian ataupun kajian yang berkaitan dengan masalah biologi yang diterbitkan secara berkala dua kali setahun.

Diversity of Bacterial Communities Associated with Toxic andNon-toxic Dinoflagellates from Malacca, Malaysia Open

Muhd. Danish-Dan, Mohd Ezhar Mohd Noor, Nur Azna Saari, Mohd. Huzairi Mohd. Zainudin, Yeong Yik Sung , et al. · 2016

Background: Association between bacteria and marine dinoflagellates is one of the important factors in harmful algae bloom formation and toxin production by dinoflagellates.The diversity of the bacteria associated with clonal cultures of b…

Phylogenetic relationships within the genus holothuria inferred from 16S mitochondiral rRNA gene sequences Open

Kamarul Rahim Kamarudin, Aisyah Mohamed Rehan, Ridzwan Hashim, Gires Usup, Maryam Mohamed Rehan · 2016

This study aimed to resolve the taxonomic status of a morphologically undetermined sea cucumber species of order Apodida from Malaysia (GenBank accession no.: FJ223867) using partial 16S mitochondrial rRNA gene sequences and subsequently t…

PHYLOGENY OF Holothuria leucospilota (ECHINODERMATA: HOLOTHUROIDEA) AS INFERRED FROM CYTOCHROME C OXIDASE I mtDNA GENE SEQUENCES Open

Mohd Yaman Idris, Hajar Fauzan Ahmad, Ridzwan Hashim, Gires Usup, Aisyah Mohamed Rehan , et al. · 2016

This study aimed to generate the genetic profile of Holothuria (Mertensiothuria) leucospilota (Brandt 1835) from Intan Besar Island, Langkawi, Kedah Darul Aman, Malaysia and then to determine the phylogenetic relationship between H. leucos…

Detection of methicillin resistant Staphylococcus aureus (MRSA) isolated from Bagan Lalang recreational beach, Malaysia Open

Ahtasham Ahmad, Aisya Zulkifli, Gires Usup · 2016

Aims:The aim of the study was to assess the presence of methicillin resistant Staphylococcus aureus (MRSA) at Bagan Lalang recreational beach, Selangor using the PCR method.Methodology and results: Water samples collected from Bagan Lalang…

Effects of Fiddler Crab Burrows on Sediment Properties in the Mangrove Mudflats of Sungai Sepang, Malaysia Open

Mohammad Mokhtari, Mazlan Abd. Ghaffar, Gires Usup, Zaidi Che Cob · 2016

In mangrove ecosystems, litter fall accumulates as refractory organic carbon on the sediment surface and creates anoxic sediment layers. Fiddler crabs, through their burrowing activity, translocate oxygen into the anoxic layers and promote…

Variation of Sediment Properties among the Radial Profiles of Fiddler Crab Burrows in Mangrove Ecosystem Open

Mohammad Mokhtari, Mazlan Abd. Ghaffar, Gires Usup, Zaidi Che Cob · 2015

Fiddler crabs burrow creates oxic-anoxic interfaces on the burrow walls.Accordingly burrow walls represent the transitions site between oxic and anoxic condition where the sediment properties varied significantly across it.In this study th…

Partial Characterization of an Anti-Candida albicans Bacteriocin Produced by a Marine Strain of Bacillus sp., Sh10 Open

Fatemeh Shayesteh, Asmat Ahmad, Gires Usup · 2015

The bacteriocin-producing strain Bacillus sp., Sh10, isolated from the marine environment, exhibited a broad spectrum of antimicrobial activity against different food spoilage and human pathogens, with a maximum inhibitory activit…

Harmful Algal Blooms : A scientific summary for policy makers Open

R. M. Kudela, Elisa Berdalet, Stewart Bernard, Michele A. Burford, Liam Fernand , et al. · 2015

Harmful Algal Blooms (HABs) result from noxious and/or toxic algae that causedirect and indirect negative impacts to aquatic ecosystems, coastal resources, andhuman health. HABs are present in nearly all aquatic environments (freshwater, …

BENTHIC HARMFUL DINOFLAGELLATE ASSEMBLAGES IN A FRINGING REEF OF SAMPADI ISLAND, SARAWAK, MALAYSIA Open

Toh Hii Tan, Po Teen Lim, Aazani Mujahid, Gires Usup, Chui Pin Leaw · 2015

A study on the presence and relative abundance of benthic harmful algal bloom (BHAB) forming dinoflagellate species was carried out in the coral reefs of Sampadi Island, Sarawak, Malaysia. The study involved deployment of fiberglass screen…

Determination of Key Environmental Factors Responsible for Distribution Patterns of Fiddler Crabs in a Tropical Mangrove Ecosystem Open

Mohammad Mokhtari, Mazlan Abd. Ghaffar, Gires Usup, Zaidi Che Cob · 2015

In tropical regions, different species of fiddler crabs coexist on the mangrove floor, which sometimes makes it difficult to define species-specific habitat by visual inspection. The aim of this study is to find key environmental parameter…

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