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University of Massachusetts Amherst

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Growth Of Chromidia-Forming Vahlkampfiid Amoebae From Laguna Figueroa, Baja California Del Norte, Mexico And Eel Pond, Woods Hole, Massachusetts, U.S.A. Under Limited Oxygen Gas Conditions, Melishia I. Santiago Jan 2011

Growth Of Chromidia-Forming Vahlkampfiid Amoebae From Laguna Figueroa, Baja California Del Norte, Mexico And Eel Pond, Woods Hole, Massachusetts, U.S.A. Under Limited Oxygen Gas Conditions, Melishia I. Santiago

Masters Theses 1911 - February 2014

Paratetramitus jugosus, a vahlkampfiid amoebomastigote, was isolated into monoprotist/monobacterial (Bacillus sp.), cultures from laminated microbial mats (Laguna Figueroa, Baja California Norte, Mexico) and muds (Eel Pond, Woods Hole, Massachusetts). Chromidia, roughly spherical (2-4 µm in diameter) were released from both walled spherical cysts (10-12 µm) and phagocytotic amoebic forms. Desiccation-resistant walled chromidia, at first spherical, resorb their walls and develop into small pleiomorphic phagocytotic amoeba. Small amoebae feed and mature into typical monopodial vahlkampfiid adults confirming previous work (Dobell, 1913, and especially the analysis of a larger encysting vahlkampfiid amoeba associated with Long Island oyster disease studied at Woods Hole …