Ivane R. Pedrosa-GerasmioMindanao State University - Iligan Institute of Technology | MSUIIT · Department of Marine Sciences
Ivane R. Pedrosa-Gerasmio
PhD in Applied Marine Biosciences (Applied Bio-Engineering)
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18
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Introduction
Additional affiliations
October 2015 - present
June 2011 - May 2012
Publications
Publications (18)
Davao region is the most urbanized and industrialized part of Mindanao, Philippines. However, there are limited investigations of heavy metal contamination in the region's marine environment, particularly in bivalves. One of the major shellfish commodities in the area is Pegophysema philippiana, locally known as imbao. Thus, this study was conducte...
The tropical catadromous eel, Anguilla bicolor pacifica, an important fishery resource in Southeast Asia, is under threat due to overexploitation (especially of its glass eel phase) and the limited information on their current genetic status which is necessary for resource management. Mitochondrial DNA (mtDNA) control region sequences, a useful mar...
Changes in the diet have been previously reported to alter the gut bacterial profile
in several organisms, including shrimp. These shifts in microbial structure either promote
beneficial effects to the host or cause diseases. Supplementation of 5-aminolevulinic
acid (5-ALA), the precursor of tetrapyrroles, has been previously reported to
enhance sh...
5-Aminolevulinic acid synthase (ALAS) is the rate-limiting enzyme in the biosynthesis of heme, a prosthetic group that is found in hemoproteins, including those involved in molting. To better understand the roles of ALAS in L. vannamei (LvALAS), we analyzed its sequence and tissue distribution, the effects of age and bacterial infection on its gene...
Acute hepatopancreatic necrosis disease (AHPND), caused by a toxin‐producing Vibrio parahaemolyticus strain, has become a serious threat to shrimp aquaculture. The need to regulate antibiotic use prompted the development of alternative ways to treat infections in aquaculture including the use of chicken egg yolk immunoglobulin (IgY) for passive imm...
Previous studies have shown that 5‐aminolevulinic acid (5‐ALA), a precursor of haem, can enhance haem synthesis and the activity of haemoproteins. Here, we investigated the effects of dietary 5‐ALA on Pacific white shrimp, Litopenaeus vannamei (Boone). Dietary groups included basal diet (BD, control) and BD plus 15, 30 and 60 ppm 5‐ALA (ALA15, ALA3...
With the emergence of several infectious diseases in shrimp aquaculture, there is a growing interest in the use of feed additives to enhance shrimp immunity. Recently, the use of 5-aminolevulinic acid (5-ALA), a non-protein amino acid that plays a rate-limiting role in heme biosynthesis, has received attention for its positive effect on immunity in...
Aside from having an important ecological role in the ocean food web, small pelagic fishes have become the major food source in the Sulu-Celebes Sea (SCS) which is bordered by Indonesia, Malaysia and the Philippines. Conservation and management of these fishes are of prime importance because the people living around the SCS are highly dependent on...
Yellowfin tuna, Thunnus albacares (Bonnaterre, 1788) and bigeye tuna, Thunnus obesus (Lowe, 1839) are two of the most economically important tuna species in the world. However, identification of their juveniles, especially at sizes less than 40 cm, is very difficult, often leading to misidentification and miscalculation of their catch estimates. He...