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Las comunidades de cáscara de queso proporcionan sistemas tratables para estudios in situ e in vitro de la diversidad
Benjamin E Wolfe1, Julie E Button1, Marcela Santarelli1
1FAS Center for Systems Biology, Harvard University, Cambridge, MA 02138, USA.
Cell
|July 19, 2014
Resumen
Las cáscaras de queso sirven como comunidades microbianas tratables, revelando patrones de ensamblaje e interacciones reproducibles. Este sistema modelo permite estudiar los mecanismos de diversidad microbiana en entornos controlados.
Área de la Ciencia:
- Microbiología Microbiología.
- Ecología comunitaria Ecología comunitaria.
- Ciencias de la alimentación Ciencias de la alimentación.
Sus antecedentes:
- Comprender el montaje y la función de la comunidad microbiana es crucial para unir los patrones de observación con las explicaciones mecanicistas.
- Se necesitan sistemas modelo para investigar experimentalmente la diversidad e interacciones microbianas.
Objetivo del estudio:
- Establecer las cáscaras de queso como una comunidad microbiana modelo tratable.
- Caracterizar los patrones de diversidad microbiana in situ y desarrollar un sistema in vitro para la reconstrucción de la comunidad.
Principales métodos:
- Secuenciación de 137 comunidades de corteza de queso de 10 países.
- Caracterización in situ de la diversidad microbiana y muestreo temporal.
- Desarrollo de un sistema in vitro para la reconstrucción de la comunidad y análisis de interacción.
Principales resultados:
- Se identificaron 24 géneros dominantes y cultivables de bacterias y hongos en diversas cáscaras de queso.
- Tipos de comunidades reproducibles y patrones de agrupación observados, independientemente del origen geográfico.
- Recapituló con éxito la dinámica de la comunidad in situ en un sistema in vitro simplificado, revelando interacciones generalizadas.
Conclusiones:
- Las cáscaras de queso proporcionan un sistema experimentalmente tratable para estudiar el ensamblaje y la función de la comunidad microbiana.
- Las estructuras y dinámicas de las comunidades microbianas reproducibles pueden establecerse y estudiarse in vitro.
- Este modelo facilita la identificación de los mecanismos que impulsan el montaje de la comunidad microbiana y las interacciones ecológicas.
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