scholarly journals Detection of mucormycosis caused by Apophysomyces elegans in a Lesser Long-nosed Bat (Leptonycteris yerbabuenae) in Central Mexico

2021 ◽  
Vol 16 (4) ◽  
pp. 493-499
Author(s):  
Teresa López-Romero ◽  
O. Eric Ramírez-Bravo ◽  
E. Evangelina Camargo-Rivera ◽  
Daniel Jiménez-García ◽  
Héctor Bernal-Mendoza ◽  
...  

We describe a case of mucormycosis in a Lesser Long-nosed Bat (Leptonycteris yerbabuenae) caused by Apophysomyces elegans in Puebla, Central Mexico. The diagnosis was supported by laboratory analysis and necropsy. We present the first report of the fungus in a wild host; therefore, we indicate that further studies are necessary to understand its infection cycle since this pathogen may indicate a risk of zoonotic, and anthropozoonotic diseases.

Author(s):  
Yousef Hailan ◽  
Gamal Sayed ◽  
mohamed yassin

We report a case of a 35-years-old Lebanese pregnant lady with a background of beta-thalassemia major who was diagnosed with COVID-19 infection (Cycle threshold value 18) during her 23rd gestational week. Unfortunately, the pregnancy outcome was unfavorable. To our knowledge, this is the first report of such a case


2015 ◽  
Vol 97 (1) ◽  
pp. 23-31 ◽  
Author(s):  
Gustavo Ramírez Hernández ◽  
L. Gerardo Herrera M.

Abstract In contrast to birds, the contribution of body reserves to sustain reproductive activities of migratory bats has not being examined. We used C stable isotope analysis to track the importance of nutrients stored in body tissues of the lesser long-nosed bat ( Leptonycteris yerbabuenae ) in Central Mexico. The bat migrates seasonally between areas dominated by vegetation types with contrasting C stable isotope values: in spring–summer, it forages in cactus forests before commuting to dry and wet forests, where mating and births occur. We collected breath and whole blood from nonreproductive individuals in a cactus forest in spring–mid-summer, from mating individuals in an evergreen forest in mid-late summer, and from lactating females in winter in a tropical deciduous forest. We also collected hair and milk from lactating females and several tissues from naturally aborted fetus in late autumn. We tested the hypothesis that nutrient reserves accumulated in cactus forest contribute to the maintenance of adults when they commute to their reproductive grounds, to the construction of offspring tissues during pregnancy, and to the production of milk. The importance of energy stores accumulated in cactus forests to fuel oxidative metabolism was marginal for mating males but it was high for some mating females. Nutrient stores accumulated in cactus forests contributed to ~50% of synthesis of fetus tissues but their contribution for milk production was negligible. Female lesser long-nosed bats can be described as capital-income breeders in relation to the development of offspring during gestation and as incomer breeders in relation to lactation. En contraste con las aves, la contribución de las reservas corporales para mantener las actividades reproductivas no ha sido evaluada en los murciélagos migratorios. En este estudio, usamos análisis de isótopos estables de C para reconstruir la importancia de los nutrientes almacenados en los tejidos del murciélago magueyero menor ( Leptonycteris yerbabuenae ) en el centro de México. Este murciélago migra estacionalmente entre áreas dominadas por tipos de vegetación con valores contrastantes de isótopos estables de C: la especie forrajea en bosques de cactáceas en primavera-verano antes de moverse a bosques secos y húmedos donde ocurren el apareamiento y los nacimientos. Se colectaron muestras de aliento y sangre entera de individuos no reproductivos en un bosque de cactáceas en primavera y mediados del verano, de individuos en etapa de apareamiento en un bosque húmedo a mediados y finales del verano, y de hembras lactantes en el invierno en un bosque seco tropical. Además, se colectaron muestras de pelo y leche de las hembras lactantes, y de varios tejidos de fetos a finales del otoño. Se probó la hipótesis de que las reservas de nutrientes acumuladas en el bosque de cactáceas contribuyen al mantenimiento de los adultos cuando se mueven a sus sitios de apareamiento, a la construcción de tejidos de las crías durante la preñez, y a la producción de leche. La importancia de las reservas de energía acumuladas en los bosques de cactáceas fue marginal para los machos y fue alta para algunas hembras durante el apareamiento. Los nutrientes acumulados en los bosques de cactáceas contribuyeron en hasta el 50% de la síntesis de tejidos de los fetos pero su contribución para la producción de leche fue de poca importancia. Las hembras de los murciélagos magueyeros menores siguen una estrategia reproductiva mixta de uso de reservas acumuladas y de nutrientes externos en relación al desarrollo de las crías durante la gestación, y una estrategia de uso de nutrientes externos en relación a la lactancia.


2017 ◽  
Vol 9 (11) ◽  
pp. 10980
Author(s):  
Sanku Borkataki ◽  
Pankaj Goswami ◽  
Rajesh Katoch ◽  
Shahil Kumar ◽  
Pratiksha Raghuvanshi

The treamatode Artyfechinostomum sufrartyfex was identified from the small intestine of the Indian Mongoose and the morphological identification of the parasites was described.  The fluke A. sufrartyfex is important considering its significant zoonotic potential, and the present study highlights the first report of occurrence of the parasite in a newer wild host, the mongoose from India. 


Our Nature ◽  
2013 ◽  
Vol 10 (1) ◽  
pp. 258-268
Author(s):  
Ram Bahadur Thapa

Two species of pod flies under the genus Melanagromyza Hendel were reared, redescribed and illustrated from India. These were Melanagromyza albisquama (Malloch) and Melanogromyza obtusa (Malloch). Melanagromyza albisquama (Malloch) was reared from seeds of Alysicarpus moniliform Dc., Alysicarpus rugosus Dc. (Linn.), Alysicarpus vaginalis (Linn.) Dc. and Desmodium gangeticum Dc. from Uttar Pradesh India. This is a first report from India. The second species reared, re-described and illustrated from India was Melanagromyza obtusa (Malloch) from pods of Cajanus cajan (Linn.) Millsp. and Flemingia congesta Roxb. Melanagromyza obtusa (Malloch) was also reared from pods of Cajanus cajan (Linn.) Millsp. from Biratnagar, eastern Nepal (Thapa, 2000) and this is the first report from Nepal. Variation within these species, were also described and illustrated, with genitalia preparation. The biology of albisquama (Malloch) has been clarified from India (Thapa, 1991). Descriptions and genitalia illustration broadly agreed with the illustrations figured by (Spencer, 1963, 1977). Variation within the species was also studied by the author (Thapa, 1991). Sehgal (1987) had also collected and reared large series of this species from several localities in Terai and Kumaon and Garhwal regions of Northern India on its widely cultivated host plants, Cajanus cajan (Linn.) Millsp. and an alternate wild host Flemingia congesta Roxb. Spencer (1973, 1977) has listed Cajanus indicus Spreng, Flemingia sp. and Phaseolus radiatus Linn. as leguminous hosts of this species. Six new species of other stem flies infesting mostly legumes were also discovered under the genus Melanagromyza (stem flies) from Pantnagar, northen India. These were: M . pathaki new;  M .glycini new species; M . denticulata Willd. new species; M . pisiphaga new species; M . sehgali new species ; M .vicivora new species.New names have been proposed to them as per International rules of Zoological Nomenclature. Thapa (2012) has redescribed M. sojae (Zehntner) under Melanagromyza Hendel from India and Nepal.DOI: http://dx.doi.org/10.3126/on.v10i1.7794


2007 ◽  
Vol 139 (5) ◽  
pp. 722-727 ◽  
Author(s):  
Gustavo Moya-Raygoza

AbstractNative parasitoids of the adult Mexican corn leafhopper, Dalbulus elimatus (Ball), and corn leafhopper, Dalbulus maidis (Delong and Wolcott), are described and their rates of parasitism on maize, Zea mays L., common barley, Hordeum vulgare L., and sorghum, Sorghumbicolor (L.) Moench (Poaceae) in central Mexico are determined. The survey was conducted throughout an annual cycle, with sampling of the previous season's crops when they were available. Leafhoppers showing evidence of parasitism were reared individually in the laboratory to obtain adult parasitoids. Adult D. elimatus were parasitized on winter maize, barley, and sorghum by the fly Eudorylas subopacus (Loew) (Diptera: Pipunculidae) and the wasp Gonatopus bartletti Olmi (Hymenoptera: Dryinidae), whereas adult D. maidis were parasitized by these fly and wasp parasitoids on winter maize only. The highest rates of parasitism of D. elimatus by E. subopacus were 57.4% on maize, 39.6% on barley, and 48.8% on sorghum. The highest rate of parasitism of D. maidis by E. subopacus was 20.4% on maize. In contrast, the highest rates of parasitism of D. elimatus by G. bartletti were 9.4% on maize, 2.7% on barley, and 25.8% on sorghum. The highest rate of parasitism of D. maidis by G. bartletti was 7.1% on maize. These results indicate that winter crops are habitats of E. subopacus and G. bartletti during the winter season. This is the first report of D. elimatus and D. maidis being parasitized by E. subopacus and of D. elimatus being parasitized by G. bartletti.


Therya ◽  
2012 ◽  
Vol 3 (3) ◽  
pp. 371-380 ◽  
Author(s):  
Alberto Rojas-Martínez ◽  
Héctor Godínez-Alvarez ◽  
Alfonso Valiente-Banuet ◽  
Ma. del Coro Arizmendi ◽  
Otilio Sandoval Acevedo

Plant Disease ◽  
2001 ◽  
Vol 85 (4) ◽  
pp. 445-445 ◽  
Author(s):  
R. Velásquez-Valle

A disease survey carried out in 1998, 1999, and 2000 in the states of Aguascalientes, San Luis Potosí, and Zacatecas revealed the dispersal of Meloidogyne spp in this region of Mexico. Pepper (Capsicum annuum L.) Mirasol type plants showing general chlorosis, root rot, and galls were observed in central Zacatecas and western San Luis Potosí. Dry bean (Phaseolus vulgaris L.) plants (Landrace Flor de Mayo) collected in western San Luis Potosí and Aguascalientes also showed root galls. Roots of squash (Cucurbita spp) and sunflower (Helianthus annuus L.) plants that showed galled roots were found under dryland conditions in northern Zacatecas. Nursery peach (Prunus persica L.) plantlets with no foliar symptoms but showing severe root galling were detected in Zacatecas. Perineal patterns of Meloidogyne females obtained from those galled roots were coincident with those of M. incognita according to pictoral keys (1). This is the first report of M. incognita affecting these hosts in that region of the country. Alfalfa (Medicago sativa) plants collected in Aguascalientes showed galls caused by Meloidogyne spp; this is the first report of this nematode affecting alfalfa in the state. Volunteer onion (Allium cepa L., ‘Grano Blanco’) plants growing in a squash field in eastern Zacatecas had galled roots; a few Meloidogyne spp. females were obtained from small galls. This is the first report of the root-knot nematode affecting onion plants in north central México. Onion is known to be a host for several species of this nematode (2). Stunted, chlorotic squash plants had roots severely galled by Meloidogyne spp, but pepper crops growing in the same field in previous years showed general chlorosis, reduced size, and poor yield did not have root galls. References: (1) Eisenback, J. D., et al. 1983. Guia para la identificación de las cuatro especiales más comunes del nematodo agallador (Meloidogyne spp.) con una clave pictorica. International Meloidogyne Project, Raleigh, NC. (2) Schwartz, H. F., and Mohan, S. K. 1995. Compendium of onion and garlic diseases. American Phytopathological Society. St. Paul. MN.


Plant Disease ◽  
2004 ◽  
Vol 88 (9) ◽  
pp. 1046-1046
Author(s):  
R. Mathiasen ◽  
A. Flores ◽  
H. Miranda ◽  
L. Cadio

Arceuthobium vaginatum (Willd.) Presl subsp. vaginatum (family Viscaceae) is the most widespread and common dwarf mistletoe in Mexico (2). Although most dwarf mistletoes are considered to be relatively host-specific parasites, this species has the broadest host range found in the genus. It has been reported to infect 13 species of pines (Pinus spp., family Pinaceae) (2). Pinus pseudostrobus Lindl. is a common pine within the geographic range of A. vaginatum and has been reported as possibly being immune to this mistletoe (2). However, we have found a location in the Sierra Madre Oriental, Nuevo Leon, Mexico where A. vaginatum subsp. vaginatum is severely parasitizing P. pseudostrobus. The stand of infected P. pseudostrobus is located approximately 3 km east of Laguna de Sanchez(25°19′42″N, 100°15′45″W, elevation 1,950 m). Several hundred P. pseudostrobus are infected at this location; several trees in the stand have one or more dwarf mistletoe infections on nearly every branch and many trees have bole infections. P. pseudostrobus is the only pine growing at this locality, and the extent of infection on this pine clearly indicates it is highly susceptible to A. vaginatum subsp. vaginatum. Hawksworth and Wiens (2) based their tentative classification of P. pseudostrobus as immune to A. vaginatum subsp. vaginatum on observations of uninfected P. pseudostrobus growing near severely infected pines in central Mexico. The discrepancy between the susceptibility of P. pseudostrobus in central Mexico and in Nuevo Leon may be related to the different taxonomic classifications afforded these populations by different pine taxonomists. For example, Perry (3) considers the populations of P. pseudostrobus growing in Nuevo Leon to represent P. pseudostrobus forma megacarpa Loock, while Farjon and Styles (1) treat these populations as typical P. pseudostrobus. Whether the high level of susceptibility of the P. pseudostrobus population near Laguna de Sanchez indicates these populations are taxonomically distinct from typical P. pseudostrobus needs further study, but the severe infection we observed in Nuevo Leon clearly demonstrates that P. pseudostrobus should be reclassified as a principal host of A. vaginatum subsp. vaginatum in northeastern Mexico. Specimens of A. vaginatum subsp. vaginatum on P. pseudostrobus have been deposited at the Deaver Herbarium, Northern Arizona University, Flagstaff (Accession No. 76455). To our knowledge, this is the first report of A. vaginatum subsp. vaginatum on P. pseudostrobus. It should also be noted that the population of A. vaginatum subsp. vaginatum near Laguna de Sanchez is 150 m below the lower elevation limit previously reported for this dwarf mistletoe in Mexico (2). References: (1) A. Farjon and B. Styles. Pinus (Pinaceae). Flora Neotropica, Monogr. 75. NY Bot. Gard., 1997. (2) F. Hawksworth and D. Wiens. Dwarf mistletoes: Biology, pathology, and systematics. USDA For. Serv. Agric. Handb. 709, 1996. (3) J. P. Perry. The Pines of Mexico and Central America. Timber Press, Portland, OR, 1991.


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