Daniela A. Murillo Cisneros- PhD
- Postdoctoral Fellow at Centro de Investigaciones Biológicas del Noroeste S.C.
Daniela A. Murillo Cisneros
- PhD
- Postdoctoral Fellow at Centro de Investigaciones Biológicas del Noroeste S.C.
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14
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Publications (14)
La toxicología se ha adaptado al enfoque Una Salud, quereconoce la interconexión entre la salud humana, animal y ambiental. Bajo este enfoque, la toxicología busca entender cómo las sustancias tóxicas afectan a los seres vivos a diferentes niveles. Evaluaciones más completas de riesgos asociados a la presencia de agentes tóxicos, el uso de especies...
Total mercury ([THg]) and selenium ([TSe]) concentrations were determined in California sea lion (Zalophus californianus) lanugo from the Gulf of California in 2021 and 2022. Relationships with sex, morphometrics, and year were evaluated. Following toxicological thresholds of concern for piscivorous mammals, most pups had a [THg] < 10 ppm, one pup...
![Box and whisker plot representing total mercury concentrations ([THg])...](publication/373096217/figure/fig2/AS:11431281183596543@1692957863505/Box-and-whisker-plot-representing-total-mercury-concentrations-THg-for-each-sample_Q320.jpg)
Rapid and effective quantification of total mercury concentrations ([THg]) in fish muscle is an important part of ongoing monitoring to provide reliable and near real-time public health guidance. Methods for quantifying THg in fish muscle frequently require the use of large sample mass and numerous preparation steps. Wet (aka fresh weight) biopsy p...
Total mercury (THg) concentrations were measured in muscle and liver of two placental viviparous sharks, the Pacific sharpnose shark (Rhizoprionodon longurio) and the brown smooth-hound (Mustelus henlei); as well as in the muscle, liver, and yolk of the yolk-sac viviparous speckled guitarfish (Pseudobatos glaucostigmus) in Baja Cali-fornia Sur. The...
Mercury (Hg) is a well-known toxicant in wildlife and humans. High total Hg concentrations ([THg]) have been reported in central California harbor seals Phoca vitulina richardii. We evaluated the effects of presence/absence of early natal coat (lanugo), year (2012 to 2017), sex, stranding location, and trophic ecology (ẟ¹³C and ẟ¹⁵N values) on hair...
During gestation, essential and non-essential trace elements are transferred from the pregnant females to embryos. This study aimed to determine and compare the concentrations of seven essential trace elements (Fe, Zn, Se, Cu, Mn, Cr, Co) and six non-essential trace elements (As, Cd, V, U, Tl, Ag) in the muscle and the liver of a Munk’s pygmy devil...
Trace elements were determined in three areas of the right (RL) and left (LL) lobe of the liver obtained from a whale shark (Rhincodon typus) stranded in Mexico. Mean ± standard error concentrations in µg g-1 wet weight were for zinc (Zn) RL: 22.5 ± 2.1; LL: 26.5 ± 7.1, arsenic (As) RL: 33.0 ± 1.6; LL: 20.0 ± 9.9 and cadmium (Cd) RL: 15.5 ± 0.9; LL...
Total mercury concentrations ([THg]) in muscle were determined in commercial finfish and elasmobranchs from Baja California Sur (BCS), Mexico to evaluate dietary Hg exposure for BCS communities, including the relationship of trophic ecology, length and mass with [THg] that might drive future consumption advice (e.g., recommend limited consumption o...
The use of stable isotope analysis has proven to be a reliable approach to investigate the diet of whale sharks in their natural habitat. A total of 63 whale sharks (50♂, 13♀) were sampled from the two localities (La Paz Bay n = 32, Yucatan Peninsula n = 31) in Mexico. Isotopic signatures differed greatly between both localities with mean values fo...
Along the Pacific coast of Baja California Sur (PCBCS), the banded guitarfish (Zapteryx exasperata), shovelnose guitarfish (Pseudobatos productus) and bat ray (Myliobatis californica) are highly abundant. Their ecological roles as predators in demersal communities can be key in this ecosystem. To better understand their trophic relationship in the...
![Bootstrapping. a Relationship between trophic level and Log10[THg]; the...](publication/332685313/figure/fig2/AS:960052374552585@1605905731320/Bootstrapping-a-Relationship-between-trophic-level-and-Log10THg-the-black-lines-are_Q320.jpg)
![Relationship between log10[THg] and TL of selected trophic guild groups...](publication/332685313/figure/fig3/AS:960052374548489@1605905731498/Relationship-between-log10THg-and-TL-of-selected-trophic-guild-groups-of-demersal_Q320.jpg)
Stable isotopes of C (δ¹³C) and N (δ¹⁵N) were used to explore the trophic structure and evaluate mercury (Hg) biomagnification in the food web of muscle of three commercially important ray species from the Pacific coast of Baja California Sur (PCBCS): the shovelnose guitarfish (Pseudobatos productus), banded guitarfish (Zapteryx exasperata), and ba...
Total mercury concentrations ([THg]) were determined in muscle and liver of the bat ray (Myliobatis californica), shovelnose guitarfish (Pseudobatos productus) and banded guitarfish (Zapteryx exasperata). Generalized linear models (GLM) were used to determine the effects of size and sex in [THg] and showed that both are determinants of [THg] in the...
