Effect of different cyanobacterial biomasses and their fractions with variable microcystin content on embryonal development of carp (Cyprinus carpio L.)

Palíková, Miroslava; Krejčí, Roman; Hilscherová, Klára; Babica, Pavel; Navrátil, Stanislav; Kopp, Radovan; Bláha, Luděk

doi:10.1016/j.aquatox.2007.01.001

Cited by 61 publications

(41 citation statements)

References 28 publications

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“…It seems that crude cyanobacterial extracts have more prominent effects than purified MC-LR on alterations of the activity of plasma enzymes in crucian carp. Similar phenomena were also observed in the embryonic development of aquatic organisms treated with crude cyanobacterial extracts (Oberemm et al 1999;Burýšková et al 2006;Palíková et al 2007). It has also been reported that the toxic effects of crude extracted microcystins are much more evident than those of pure MC-LR, probably because substances (not yet identified) in the crude extracts increase the rate of uptake of toxins; synergistic actions of toxins and unknown substances could also increase toxicity.…”

Section: Discussionsupporting

confidence: 70%

“…Hash symbols indicate significant differences at P \ 0.05 between the low dose and high-dose groups. White bars indicate control fish, gray bars indicate the 50 lg kg -1 dose, and black bars indicate the 200 lg kg -1 dose much more evident than those of pure MC-LR (Oberemm et al 1997(Oberemm et al , 1999Burýšková et al 2006;Palíková et al 2007). Burýšková et al (2006) support the suggestion that microcystins are not the only or major toxic compounds in the complex cyanobacterial samples (at least for some species) and that more attention should be paid to other components of complex cyanobacterial biomass.…”

Section: Discussionmentioning

confidence: 99%

“…Alterations in blood biochemicals were documented in these studies. Compared to pure MC-LR, the toxic effects of crude cyanobacterial extracts are much more evident, as substances from crude extracts may increase the rate of uptake of toxins and the synergistic actions of toxins (Oberemm et al 1997(Oberemm et al , 1999Burýšková et al 2006;Palíková et al 2007;Falconer 2007). However, there have been no reports documenting blood biochemical responses of experimental animals to i.p.…”

Section: Introductionmentioning

confidence: 99%

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Plasma biochemical responses of the omnivorous crucian carp (Carassius auratus) to crude cyanobacterial extracts

Zhang

Xie

Wang

et al. 2007

Fish Physiol Biochem

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Healthy crucian carp (Carassius auratus) were treated by intraperitoneal (i.p.) injection of crude cyanobacterial extracts at two doses, 50 and 200 lg MC-LR equiv kg -1 BW. High mortality (100%) was observed within 60 h post injection in the high-dose group. In the treated fish, activities of four plasma enzymes, alanine aminotransferase (ALT), alkaline phosphatase (ALP), aspartate aminotransferase (AST), and lactate dehydrogenase (LDH), all showed substantial increases, with both dose and time-dependent effects. These increases of enzyme activity indicate severe impairment occurred in the liver of crucian carp over time. Plasma concentrations of energy-related biomolecules including glucose (GLU), cholesterol (CHO), triglyceride (TG), and total protein (TP) showed marked changes in the high-dose group, possibly a nutritional imbalance correlated with the liver injury caused by intraperitoneal exposure to crude cyanobacterial extracts.

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Section: Discussionsupporting

confidence: 70%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Plasma biochemical responses of the omnivorous crucian carp (Carassius auratus) to crude cyanobacterial extracts

Zhang

Xie

Wang

et al. 2007

Fish Physiol Biochem

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“…Such blooms result in foul odors, decreased aesthetic value, deteriorated water quality, and water deoxygenation (Falconer 1999;Oberholster et al 2004). Cyanobacterial blooms can also lead to the production of microcystins (MCs) that can be toxic to aquatic organisms including fish, birds, wild animals, livestock, waterfowl, as well as to humans (Carmichael et al 1975;Codd et al 1989;Jacquet et al 2004;Ernst et al 2006;Palikova et al 2007). MCs are also associated with allergies, irritant reactions, gastroenteritis, liver disease, and tumors in humans (An and Carmichael 1994;Bell and Codd 1994;Dawson 1998;Almeida et al 2006).…”

Section: Introductionmentioning

confidence: 99%

In situ bacterial mitigation of the toxic cyanobacterium Microcystis aeruginosa: implications for biological bloom control

Kim

Sang

Hwang

et al. 2008

Limnology & Ocean Methods

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The algicidal bacterium Xanthobacter autotrophicus HYS0201-SM02 (SM02) was isolated from the surface water of a eutrophic lake (Lake Daechung, Korea). In vivo and in situ experiments showed that SM02 had algicidal activity against both a cultured strain and natural colonial morphs of the toxic cyanobacterium, Microcystis aeruginosa. Both the SM02 bacteria and its culture filtrate showed anti-algal activity against M. aeruginosa, indicating that an algicidal substance was released from SM02. The threshold concentration of SM02 for maximal algicidal activity against a natural bloom of M. aeruginosa was 10 7 CFU/mL. In situ co-culture of SM02 and M. aeruginosa showed that SM02 did not benefit from the massive decay of M. aeruginosa. In fact, repeated inoculations with a low concentration of SM02 were required for optimal algicidal activity, suggesting that water quality worsened during co-culture (i.e., nutrients and microcystin-LR concentration increased). These results suggest a role for the algicidal bacterium X. autotrophicus SM02 in biorestoration but probably not in treating outdoor Microcystis blooms. When developing a biological agent to control M. aeruginosa blooms in the field, it will be important to screen for specific agents with low threshold concentrations and high algicidal activity.

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“…Culture medium can be enriched with natural organic extracts which has amino acids, vitamins and some plant regulators that can promote plant growth, regeneration and somatic embryogenesis. Some organic extracts such as yeast extract, casein hydrolysate (Joshee et al 2007), coconut water (Ahmed et al 2011), cyanobacterial extracts (Palikova et al 2007) and plantderived smoke extract (Ghazanfari et al 2012) enhanced somatic embryogenesis and embryo maturation. Factors which promote maturation and conversion of somatic embryos might exist in C. campestris extract and active substances in this extract stimulate conversion of a somatic embryo to perfect plantlet.…”

Section: Introductionmentioning

confidence: 99%

Improvement of in vitro embryo maturation, plantlet regeneration and transformation efficiency from alfalfa (Medicago sativa L.) somatic embryos using Cuscuta campestris extract

Amini

Deljou

Nabiabad

2016

Physiol Mol Biol Plants

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Developmental deficiency of somatic embryos and regeneration to plantlets, especially in the case of transformation, are major problems of somatic embryo regeneration in alfalfa. One of the ways to overcome these problems is the use of natural plant regulators and nutrients in the culture medium of somatic embryos. For investigating the influence of Cuscuta campestris extract on the efficiency of plant regeneration and transformation, chimeric tissue type plasminogen activator was transferred to explants using Agrobacterium tumefaciens, and transgenic plants were recovered using medium supplemented with different concentration of the extract. Transgenic plants were analyzed by PCR and RT-PCR. Somatic embryos of Medicago sativa L. developed into plantlets at high frequency level (52 %) in the maturation medium supplemented with 50 mg 1 -1 C. campestris extract as compared to the medium without extract (26 %). Transformation efficiency was 29.3 and 15.2 % for medium supplemented with dodder extract and without the extract, respectively. HPLC and GC/MS analysis of the extract indicated high level of ABA and some compounds such as Phytol, which can affect the somatic embryo maturation. The antibacterial assay showed that the extract was effective against some strains of A. tumefaciens. These results have provided a scientific basis for using of C. campestris extract as a good natural source of antimicrobial agents and plant growth regulator as well, that can be used in tissue culture of transgenic plants.

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Effect of different cyanobacterial biomasses and their fractions with variable microcystin content on embryonal development of carp (Cyprinus carpio L.)

Cited by 61 publications

References 28 publications

Plasma biochemical responses of the omnivorous crucian carp (Carassius auratus) to crude cyanobacterial extracts

Plasma biochemical responses of the omnivorous crucian carp (Carassius auratus) to crude cyanobacterial extracts

In situ bacterial mitigation of the toxic cyanobacterium Microcystis aeruginosa: implications for biological bloom control

Improvement of in vitro embryo maturation, plantlet regeneration and transformation efficiency from alfalfa (Medicago sativa L.) somatic embryos using Cuscuta campestris extract

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