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1 May 2023 MICROBIAL ASSOCIATIONS WITH METCALF'S TRYONIA, TRYONIA METCALFI (GASTROPODA: COCHLIOPIDAE), AN IMPERILED CIÉNEGA ENDEMIC
Russell L. Minton, Kathryn E. Perez
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Abstract

The Chihuahuan Desert swamps are a hotspot for imperiled organisms including freshwater springsnails and bacteria. Many of these taxa are endemic to the desert and to the individual waterbodies where they occur. Efforts to conserve diversity in these threatened areas must account for the life history of the organisms, but also interactions between organisms including microbes. We documented the microbial assemblage associated with Tryonia metcalfi, a critically imperiled freshwater snail endemic to a ciénega system in western Texas. We identified 14 bacterial families in our snail samples and determined a core assemblage of 19 bacterial taxa (4 of which represented novel lineages) that are likely dependent on the snail. Future conservation efforts involving T. metcalfi and its environment should therefore consider the microbial diversity associated with both the snail and the ciénegas.

En las ciénegas del desierto de Chihuahua habitan muchos organismos en peligro, entre ellos caracoles de agua dulce y bacterias. Muchos de estos taxones son endémicos del desierto y de los específicos cuerpos de agua donde ocurren. Esfuerzos para conservar la diversidad en estas áreas amenazadas deben tomar en cuenta la historia de vida de los organismos junto con las interacciones entre ellos, incluyendo microbios. Documentamos el conjunto microbiano relacionado con Tryonia metcalfi, una especie de caracol de agua dulce en peligro de extinción, endémica a un sistema de ciénagas en el oeste de Texas. Identificamos 14 familias bacterianas en nuestras muestras de caracoles y determinamos un conjunto principal de 19 taxones bacterianos; cuatro representan nuevos linajes, que probablemente dependen del caracol. En el futuro, los esfuerzos para proteger a T. metcalfi y su ambiente en consecuencia deben considerarla diversidad microbiana asociada con esta especie de caracol y la ciénega.

Russell L. Minton and Kathryn E. Perez "MICROBIAL ASSOCIATIONS WITH METCALF'S TRYONIA, TRYONIA METCALFI (GASTROPODA: COCHLIOPIDAE), AN IMPERILED CIÉNEGA ENDEMIC," The Southwestern Naturalist 67(1), 65-70, (1 May 2023). https://doi.org/10.1894/0038-4909-67.1.65
Received: 19 October 2021; Accepted: 24 October 2022; Published: 1 May 2023
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