Maleeya Kruatrachue

Maleeya Kruatrachue
Mahidol University | MU ·  Department of Biology

PhD

About

144
Publications
34,116
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5,862
Citations
Citations since 2017
18 Research Items
2570 Citations
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400

Publications

Publications (144)
Article
Glyphosate is one of the most widely used herbicides in the world. However, because of its overuse and resistance to degradation, high levels of glyphosate residues in the environment are reported. Therefore, this study aimed to investigate the effects of glyphosate on proteomic aspects of Tetrahymena thermophila and their uses as bioindicators of...
Article
Petroleum hydrocarbon contamination is a serious concern across the globe. Here, the capability of native bacterial consortium enriched from sediment samples of Map Ta Phut Industrial Estate (MTPIE), Rayong, Thailand was described. The distribution of PAHs was assessed from the sediment samples collected from MTPIE by GC-FID and the toxic unit (TU)...
Preprint
Petroleum hydrocarbon contamination is a serious concern across the globe. Here, the capability of native bacterial consortium enriched from sediment samples of Map Ta Phut Industrial Estate (MTPIE), Rayong, Thailand was described. The distribution of PAHs was assessed from the sediment samples collected from MTPIE by GC-FID and the toxic unit (TU)...
Article
To understand the plant (Vigna unguiculata) and plant-growth promoting bacteria (PGPB) (Microcococcus luteus WN01) interactions in crude oil contaminated soil, experiments were conducted based on the newly designed rhizobox system. The rhizobox was divided into three main compartments namely the rhizosphere zone, the mid-zone, and the bulk soil zon...
Article
During rhizoremediation process, plant roots secrete the specific exudates which enhance or stimulate growth and activity of microbial community in the rhizosphere resulting in effective degradation of pollutants. The present study characterized cowpea (CP) and mung bean (MB) root exudates and examined their influences on the degradation of total p...
Article
The present study was undertaken to elucidate the basis of cellular reactions and to verify the suitability of Pomacea canaliculata digestive tract ultrastructure as a biomarker for assessing the Cu pollution in freshwater environments. Two-month-old P. canaliculata were exposed to 96-h lethal concentration of Cu (0.15 mg L-1) for 96 h. Electron mi...
Article
Full-text available
The objective of this study was to determine the adsorbent potential of rice husk and its modified form for phosphate and nitrate removal from synthetic and swine-farm wastewater. The mechanism of adsorption as well as the potential of phosphate-/nitrate- adsorbed rice husk as nutrient rich residue was also investigated. Two-step modification of RH...
Article
Full-text available
Pot experiments were conducted to determine the rhizoremediation potential of Vetiveria zizanioides in association with bacteria isolated from the oil-polluted area, in fuel oil degradation. The analysis of fuel oilcontaminated soil from Udonthani Province, Thailand, revealed 23 isolates based on their partial 16S rDNA sequences. Among these, only...
Article
To assess the cadmium (Cd) phytoremediation of three native plant species from Padeang zinc (Zn) mine area (Chromolaena odorata, Impatiens patula, and Gynura pseudochina), a hydroponic experiment was performed in nutrient solutions containing various concentrations of Cd (0, 5, 10, 20, and 50 mg L⁻¹) for 15 days. In the hydroponic experiment, C. od...
Article
Inoculation of endophytic bacteria has been accepted as a promising technique to assist phytostabilization of heavy metal-contaminated soils. This study investigated the effects of inoculating a bacterial strain closely related to Pseudomonas pyschrophila on the plant growth, and phytostabilization of fast-growing trees Acacia mangium and Eucalyptu...
Article
Soil adulteration by organic and inorganic contaminants chiefly in industrial and agricultural area is one of the major problems faced by the world today. Phytoremediation using aromatic plant such as Ocimum is a sound, economically reasonable and an eco-friendly approach. Besides, microbial assisted phytoremediation can bring about plant-promoted...
Article
In Saccharomyces cerevisiae, vacuolar H+‐ATPase (V‐ATPase) involved in the regulation of intracellular pH homeostasis has been shown to be important for tolerances to cadmium, cobalt, and nickel. However, molecular mechanism underlying the protective role of V‐ATPase against these metals remains unclear. In this study, we show that cadmium, cobalt,...
Article
Bioremediation of lead-petroleum co-contaminated soil under salt-stressed condition has been investigated. In this study, the co-contaminated soil (780 mg kg⁻¹ Pb and 27,000 mg kg⁻¹ TPHs) under the high salinity (EC 7.79 ds m⁻¹) was used as a model soil to be remediated by Chromolaena odorata inoculated with Micrococcus luteus. The results showed t...
Article
Lead (Pb) contamination is one of the major environmental problems on a global scale. Bacterial endophytes have been accepted as a promising technique to assist phytoremediation. In this study, three Pb-tolerant endophytic bacteria were isolated from the roots of Pityrogramma calomelanos. Based on partial 16S rRNA gene sequencing analysis, all isol...
Article
Full-text available
Using trees as phytoremediators has become a powerful tool to remediate lead from contaminated environments. This study aims to identify potential candidates among fast-growing trees by comparing their ability to tolerate and accumulate Pb. Cuttings from Acacia mangium, Azadirachta indica, Eucalyptus camaldulensis, and Senna siamea were cultured in...
Article
Contamination of lead (Pb) is one of the main environmental problems on a global scale. This study assessed the potential of native metallophytes growing on the Song Tho Pb mine in Kanchanaburi province, Thailand by field survey. Plants and the associated soil samples were collected. Total Pb concentrations were analyzed by a flame atomic absorptio...
Article
The viral accommodation hypothesis proposes that endogenous viral elements (EVE) from both RNA and DNA viruses are being continually integrated into the shrimp genome by natural host processes and that they can result in tolerance to viral infection by fortuitous production of antisense, immunospecific RNA (imRNA). Thus, we hypothesized that previo...
Article
Full-text available
The risk of heavy metal contamination in domestic water causes the serious health and environmental problems. Biosorption has been considered as an efficient and alternative way for treatment of heavy metal contaminated wastewater. The potentials of dried charophytes, Chara aculeolata and Nitella opaca to biosorb lead (Pb), cadmium (Cd) and zinc (Z...
Article
Phytoremediation is widely promoted as a cost effective technology for treating heavy metal and TPH co-contaminated soil. This study investigated the concurrent removal of TPHs and Pb in co-contaminated soil (27,000 mg kg(-1) TPHs, 780 mg kg(-1) Pb) by growing Siam weed (Chromolaena odorata) in a pot experiment for 90 days. There were four treatmen...
Article
Full-text available
Greenhouse and field experiments were conducted to evaluate the influence of three different organic amendments (cow manure, pig manure, and organic fertilizer) on the Cd phytostabilization potential of Eucalyptus camaldulensis grown on Cd-contaminated soil. The application of all amendments, particularly organic fertilizer, improved plant growth (...
Article
Full-text available
Experiments were performed to test the ability of R. erythropolis IGTS8 and R. gordoniae R3 to accumulate non-polar lipids from industrial waste (molasses and glycerol) to yield fatty acid methyl esters (FAMEs). The bacterium strain IGTS8 grew well in glycerol and yielded 0.11 g/l per day of FAMEs, while the strain R3 used only molasses as a carbon...
Article
Full-text available
Cadmium and zinc phytoremediation potential of wetland plants, Colocasia esculenta, Cyperus malaccensis, and Typha angustifolia, was investigated. Plants were grown for 15 days in nutrient solutions containing various concentrations of Cd (0, 5, 10, 20, 50 mg l-1) and Zn (0, 10, 20, 50, 100 mg I-1). T. angustifolia was tolerant to both metals as in...
Article
The acute toxicity test of Cu including range-finding and definitive test, was performed on golden apple snails, Pomacea canaliculata. The median lethal concentrations (LC50) of Cu at exposure times of 24, 48, 72 and 96h were 330, 223, 177 and 146µg/L, respectively. P. canaliculata were exposed to Cu at 146µg/L for 96h to study bioaccumulation and...
Article
The influence of three plant growth regulators, indolebutyric acid (IBA), thidiazuron (TDZ) and gibberellic acid (GA3), either individually or in pair-wise combinations, on the ability of waxy corn plant to remove hexachlorocyclohexane (HCH) from contaminated soil was studied. Waxy corn seeds were immersed for 3 h in solutions of 1.0 mg/l IBA, 0.01...
Article
Full-text available
A pot study was conducted to compare the effects of amendments (CaHPO4 and cow manure) on growth and uptake of Cd and Zn from contaminated sediments by two wetland plants species, Typhaangustifolia and Colocasiaesculenta. Contamianted sediments (Cd 33.2 mg kg(-1) and Zn 363 mg kg(-1)) were collected from Mae Tao basin, Mae Sot district, Tak provinc...
Article
Pot and field experiments were conducted to investigate the effects of soil amendments (cow manure, rice straw, zeolite, dicalcium phosphate) on the growth and metal uptake (Cd, Zn) of maize (Zea mays) grown in Cd/Zn contaminated soil. The addition of cow manure and rice straw significantly increased the dry biomass, shoot and root length, and grai...
Article
Full-text available
A series of field trials were conducted to investigate the potential of Noccaea caerulescens F.K. Mey [syn. Thlaspi caerulescens J &C Presl. (see Koch and Al-Shehbaz 2004)] populations (genotypes) derived from southern France to phytoextract localized Cd/Zn contamination in Thailand. Soil treatments included pH variation and fertilization level and...
Article
The effect of two plant growth regulators, alpha-naphthalene acetic acid (NAA) and thidiazuron (TDZ) on the growth of sweet corn (Zea mays), cowpea (Vigna sinensis) and cucumber (Cucurmis sativus) seedling planted in 1-100 mg kg(-1) of endosulfan sulfate spiked sand was investigated. Endosulfan sulfate had no apparent toxicity as seedlings of these...
Article
The extent of endosulfan sulfate removal from soils by different planting pattern with sweet corn (Zea mays), cowpea (Vigna sinensis), and cucumber (Cucumis sativus) either cultivated alone or together was investigated in pot experiments. Endosulfan sulfate was removed to the greatest extent in the treatment in which sweet corn was grown alone; onl...
Article
Full-text available
Pot and field experiments were conducted to elucidate the phytostabilization potential of two grass species (Thysanolaena maxima and Vetiveria zizanioides) with respect to lead (Pb) tailing soil. Three fertilizers (Osmocote® fertilizer, cow manure, and organic fertilizer) were used to improve the physicochemical properties of tailing soil. V. zizan...
Article
Full-text available
Mangrove crabs (Sesarma mederi) can be used as bioindicators of the environment. This study aimed to estimate the heavy metal content in S. mederi in various Thai mangroves and compare them with other studies for international regulations for human consumption. S. mederi were obtained from the mangroves of the Chao Phraya, Tha Chin, and Mae Klong r...
Article
A total of 50 different plant species of 22 families was investigated for molluscicidal activity against Indoplanorbis exustus. Twenty-one species (42%) demonstrated molluscicidal activity. The crude water extract of Brassaia actinophylla showed the best result with 24 hr. LC50 and LC90 values of 23.73 and 32.11 mg / l, respectively. The control gr...
Article
The adult snails, Indoplanorbis exustus were exposed to the synthetic molluscicide, niclosamide, and the crude – aqueous extract of Brassaia actinophylla at the LC50 concentrations (0.009 mg/ 1 and 23.73 mg/1, respectively) for 24 hours. The results showed relatively similar ultrastructural changes in the digestive system of snails exposed to niclo...
Article
Full-text available
The ability of eight yeast strains to utilize glycerol as a sole carbon source and accumulate lipids in a chemically defined medium was screened. Among the yeasts, Yarrowia lipolytica strains DSM 70561 and JDC 335 grew to high cell densities on glycerol. These strains were further tested for lipid accumulation under varying nutritional conditions i...
Article
Full-text available
The ability for usage of common freshwater charophytes, Chara aculeolata and Nitella opaca in removal of cadmium (Cd), lead (Pb) and zinc (Zn) from wastewater was examined. C. aculeolata and N. opaca were exposed to various concentrations of Cd (0.25 and 0.5 mg/L), Pb (5 and 10 mg/L) and Zn (5 and 10 mg/L) solutions under hydroponic conditions for...
Article
Changes in the seasonal concentrations of heavy metals (Cu, Mn, Fe, Zn, Pb and Cd) were determined in water, sediments, snails (Pomacea canaliculata) and aquatic plants (Ipomoea aquatica) in three selected tributaries of the Beung Boraphet reservoir, Nakhon Sawan Province, central Thailand. Only Fe, Cu, Mn and Zn were detected by FAAS in all sample...
Article
High mortality of juvenile Penaeus (Litopenaeus) vannamei less than one month old in Indonesia has been observed in shrimp farms and hatcheries since 2007. The gross signs of disease included shrinkage of the hepatopancreas, flaccid bodies, cuticular melanization and retarded growth. Overall loss in the severely-infected farms was 60 to 90% due to...
Article
Full-text available
The potential of 6 tree species (Leucaena leucocephala, Acacia mangium, Peltophorum pterocarpum, Pterocarpus macrocarpus, Lagerstroemia floribunda, Eucalyptus camaldulensis) for phytoremediation of Pb in sand tailings (total Pb >9850 mg kg(-1)) from KEMCO Pb mine in Kanchanaburi province, Thailand, were investigated employing a pot experiment (3 mo...
Article
A study was undertaken to assess if corn (Zea mays L.) can enhance phenanthrene degradation in two soils inoculated with Pseudomonas sp. UG14Lr. Corn increased the number of UG14Lr cells in both soils, especially in the acidic soiL Phenanthrene was degraded to a greater extent in UG14Lr-inoculated or corn-planted soils than uninoculated and unplant...
Article
Full-text available
Six freshwater microalgal strains in the class of Chlorophyceae, including Chlorococcum humicola, Didymocystis bicellularis, Monoraphidium contortum, Oocystis parva, Sphaerocystis sp., and Scenedesmus acutus were isolated from natural habitats in Thailand. The six strains were compared for their biomass yield, lipid content, and lipid productivity...
Article
Full-text available
The growth of an oleaginous bacteria strain Rhodococcus erythropolis on glycerol was studied. Lipid accumulation was influenced by the glycerol concentration, nitrogen source, nitrogen concentration, pH medium, incubation time and aeration rate. Under the best optimized flask culture medium; 30 g/L glycerol plus 0.75 g/L urea, incubation temperatur...
Article
Full-text available
Greenhouse and field trial experiments were performed to evaluate the use of Chromolaena odorata with various soil amendments for phytoextraction of Pb contaminated soil Pb mine soils contain low amount of nutrients, so the additions of organic (cow manure) and inorganic (Osmocote and NH4NO3 and KCl) fertilizers with EDTA were used to enhance plant...
Article
In this study, the potential of rhizospheric bacteria in promoting the growth and Pb accumulation by the woody plant Eucalyptus camaldulensis under hydroponic conditions was investigated for the first time. Three Pb-tolerant bacteria were isolated from the rhizosphere of E. camaldulensis grown in Pb-contaminated soils in the Bo Ngam Pb mine, Thaila...
Article
Pomacea canaliculata were exposed experimentally to contaminated sediments from a tributary of the Mae Klong River, Thailand, for 3 months. The highest concentration of Cr, Zn and Fe accumulated in the digestive gland while the gill exhibited the highest concentration of Cu. In addition, histopathological changes (increased mucus vacuoles, loss of...
Article
Full-text available
Hydroponic and pot experiments were conducted to assess the uptake of heavy metals (Cd and Zn) by a common crop plant, African basil, Ocimum gratissimum. In addition, the effects of soil amendments, hydroxyapatite (HA) and cow manure on plant growth and metal accumulations were compared. In the hydroponic study, plants were exposed to various conce...
Article
This study was conducted to determine the effects of organic and inorganic soil additives in reducing Cd concentration in the edible parts of plants. A pot study was performed by growing Ocimum basilicum (sweet basil) in Cd contaminated soil (20 mg/kg Cd) and soils amended with cow manure and silicate fertilizer for 3 months. The results showed an...
Article
Full-text available
Experiments were conducted to evaluate lead tolerance and accumulation in vetiver grass Vetiveria zizanioides (L.), grown in hydroponics and a pot study and to examine the effect of lead on vetiver oil production. Elevated concentrations of lead decreased the length of shoots and roots of plants. However, vetiver grown in highly contaminated soils...
Article
Full-text available
A greenhouse study was conducted on phytoextraction and accumulation of lead (Pb) and cadmium (Cd) from con-taminated soil – water microcosms by the narrow-leaved cattail, Typha angustifolia. The plants were grown in sandy loam soil containing 1,666 and 38.5 mg/L of Pb(NO 3) 2 and Cd(NO 3) 2 respectively. The trends of lead and cadmium by T. angust...
Article
BACKGROUND: Many polycyclic aromatic hydrocarbon (PAH) contaminated sites also contain high levels of toxic heavy metals. The presence of heavy metals can adversely affect PAH biodegradation. Encapsulation of bacterial cells has been shown to improve survival and activity of cells under various environmental stresses. This study examined if encapsu...
Article
Full-text available
During fermentation, yeast cells are exposed to a number of stresses -- such as high alcohol concentration, high osmotic pressure, and temperature fluctuation - so some overlap of mechanisms involved in the response to these stresses has been suggested. To identify the genes required for tolerance to alcohol (ethanol, methanol, and 1-propanol), hea...
Article
Full-text available
Significant cadmium (Cd) contamination In soil and rice has been discovered in Mae Sot, Tak province, Thailand where the rice-based agricultural systems are established in the vicinity of a zinc mine. The prolonged consumption of Cd contaminated rice has potential risks to public health and health impacts of Cd exposed populations in Mae Sot have b...
Article
A field survey was conducted to search for Pb accumulation in fern species at Bo Ngam Pb mine, Thailand. Eleven fern species including Pteris vittata accumulated Pb in the range of 23.3–295.6 mg kg−1 in the aboveground parts. Hydroponic, pot, and field trial experiments were carried out to investigate Pb-accumulation ability in ferns; including P....
Article
The acute and subchronic toxicity of lead was determined in the spotted babylon, Babylonia areolata. The 96-h static bioassay was conducted to estimate the median lethal concentration (LC50). The snails were exposed to lead nitrate (Pb[NO3]2). The LC50 values for 24, 48, 72, and 96 h were 29.31, 14.64, 12.44, and 10.50 mg Pb/L, respectively. In the...
Article
Full-text available
A study was undertaken to assess if corn plant (Zea may L.) maybe able to enhance the degradation of phenanthrene and pyrene in acidic soil inoculated with a bacterial strain (Pseudomonas putida MUB1) capable of degrading polycyclic aromatic hydrocarbons (PAHs). Planting with corn, inoculating with MUB1, ora combination of the two were found to pro...
Article
Full-text available
Three bacterial strains isolated in Thailand, Bacillus circulans MS2, Rhodococcus gordoniae R3, and Rhizobium sp. MS4, were investigated for their potential to remove organosulphur compounds. These strains were shown to be very effective at removing dibenzothiophene, which was not metabolized via a sulphur-specific pathway, as revealed by Gibb's as...
Article
BACKGROUND: A single-stage reactor, in which the growth of bacterial culture, induction of desulfurizing enzymes, and desulfurization reaction are carried out in a single step, was adopted to investigate desulfurization of dibenzothiophene (DBT) at high cell densities. Rhodococcus erythropolis, IGTS8 was used as the biocatalyst. Optimal conditions...
Article
Full-text available
We report on the infection intensity of Nematopsis oocysts in different size classes of the green mussel Perna viridis farmed in Chonburi province, eastern upper Gulf of Thailand. Infection of the apicomplexan parasite was investigated from November 2003 to November 2004 in small (2.3 ± 0.2 cm shell length, n = 130), medium (5.6 ± 0.3 cm, n = 130)...
Article
The phytoremediation potential for Pb of Buddleja asiatica (a wild species) and a closely related cultivated species, B. paniculata, was investigated by means of field survey, hydroponic and pot experiments, and field trial experiments. Field surveys showed that B. asiatica had an extraordinary accumulation capacity and tolerance for Pb. Plants gro...
Article
The ability of Burkholderia sp. VUN10013 to degrade anthracene in microcosms of two acidic Thai soils was studied. The addition of Burkholderia sp. VUN10013 (initial concentration of 10(5) cells g(-1) dry soil) to autoclaved soil collected from the Plew District, Chanthaburi Province, Thailand, supplemented with anthracene (50 mg kg(-1) dry soil) r...
Article
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The most natural waterways in Thailand are utilized for conventional agricultures, e.g. irrigation and wastewater discharge. Concentrations of 20 organochlorine pesticides (OCPs) were measured in surface sediments collected from the tributaries of the Mae Klong River during 2003-2005. The sampling sites chosen were nearby the rice paddy which organ...
Article
Full-text available
Sonchus arvensis is one of the pioneer plant species that were found in the abandoned Bo Ngam Pb mine in Thailand. S. arvensis was collected from three sites. The highest Pb shoot concentration was 9317 mg kg(-1) and the highest translocation factor (TF) and bioaccumulation factor (BF) values were 2.5 and 6.0, respectively. To investigate Pb uptake...
Article
Full-text available
Histopathological alterations in Nile tilapia, Oreochromis niloticus, aged 3 months and subjected to acute and subchronic alachlor exposure were studied by light microscopy LC50 values of alachlor for 24 hr 48 hr, 72 hr and 96 hr were 963.6, 563, 448, and 381.9 microg l(-1), respectively and the maximum acceptable toxicant concentration (MATC) was...
Article
Full-text available
Seasonal and spatial variations in lead concentrations in soil and plants and lead-tolerant plant species diversity were studied in a closed open-pit Bo Ngam lead mine area. Two different sampling sites at the open pit mine area, the pond site and land site, were observed. Lead content in soil and plants was seasonally dependent. The lowest lead co...
Article
Pyrene and fluoranthene, when supplied as the sole carbon source, were not degraded by Burkholderia sp. VUN10013. However, when added in a mixture with phenanthrene, both pyrene and fluoranthene were degraded in liquid broth and soil. The amounts of pyrene and fluoranthene in liquid media (initial concentrations of 50mgl−1 each) decreased to 42.1%...
Article
Four selected plants (corn, groundnut, cow pea, and mungbean) were tested for their ability to germinate and grow in an acidic soil contaminated with phenanthrene or pyrene, two typical polycyclic aromatic hydrocarbons (PAHs). The growth of corn root was the least sensitive to, but its germination rate was the lowest in the presence of, contaminant...
Article
The removal of heavy metal ions by the nonliving biomass of aquatic macrophytes was studied. We investigated Cd biosorption by dry Hydrilla verticillata biomass. Data obtained in batch experiments indicate that H. verticillata is an excellent biosorbent for Cd. Cd was rapidly adsorbed and such adsorption reached equilibrium within 20 min. The initi...
Article
The Siam weed, Chromolaena odorata (L.) King & Robinson, Family Asteraceae, was found to be a new Pb hyperaccumulator by means of field surveys on Pb soil and hydroponic studies. Plants from field collection accumulated 1377 and 4236mgkg(-1) Pb in their shoots and roots, respectively, and could tolerate soil Pb concentrations up to 100000 mgkg(-1)...
Article
Quantitative detection of the oil-degrading bacterium Acinetobacter sp. strain MUB1 was performed using the SoilMaster() DNA Extraction Kit (Epicentre, Madison, Wisconsin) and hybridization probe based real-time PCR. The detection target was the alkane hydroxylase gene (alkM). Standard curve construction showed a linear relation between log values...