Influence of xenobiotics on the luminescence of Vibrio harveyi strains isolated from Cuban marine waters

被引：0

作者：

Gallardo, Gladys Margarita Lugioyo ^{[1
]}

Rodriguez, Maria Victoria Iglesias ^{[1
]}

Oduard, Ayamey Perez ^{[1
]}

Guilarte, Eudalys Ortiz ^{[1
]}

Moreira, Roberto Nunez ^{[1
]}

Almaguer, Thais Renee Chong ^{[1
]}

Valcarcel, Carlos Alvarez ^{[2
]}

机构：

[1] Inst Ciencias Mar ICiMAR, Calle Loma 14,Entre 35 & 37,Plaza de la Revoluc, Havana, Cuba

[2] Univ La Habana, Fac Biol, Ctr Estudios Prot CEP, Calle 25 Entre J&I,Plaza Revoluc, Havana, Cuba

来源：

REVMAR-REVISTA CIENCIAS MARINAS Y COSTERAS | 2024年 / 16卷 / 02期

关键词：

bacteria; biological assay; contamination; luminescence; xenobiotics; HEAVY-METAL TOXICITY; LUMINOUS BACTERIA; MERCURY; TRANSPORT; FISCHERI;

D O I：

10.15359/revmar.16-2.2

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Toxicity tests using luminescent bacteria are promising tools to assess the quality of aquatic environments given the high sensitivity of these bacteria to pollutants. The research evaluated the effect of different types of xenobiotics-salts of mercury, copper, chromium, silver, iron, and four pesticides-on the luminescence of Vibrio harveyi strains CBM-784, CBM-976, and CBM-992, isolated from waters of the Cuban platform. The selected strains showed a reduction in luminescent emission at 15 min of exposure to the tested compounds, with a consistent, decreasing sequence of toxicity for all three strains as follows: HgCl2 > CuSO4 approximate to Cuproflow > K2Cr2O7 > Sphere Max approximate to Kospi-sc 130 > AgNO3 > Fe-2(SO4)(3) > Envidor. Results suggest that these cultures could be used to design a contamination biosensor since luminescence responds to nanomolar concentrations of the tested toxicants.

引用

页数：22

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