Thraustochytrium gaertnerium sp. nov.: A new Thraustochytrid Stramenopilan protist from mangroves of Goa, India
IR@NIO: CSIR-National Institute Of Oceanography, Goa
View Archive Info| Field | Value | |
| Creator |
Bongiorni, L.
Jain, R. Raghukumar, S. Aggarwal, R.K. |
|
| Date |
2008-02-22T04:45:44Z
2008-02-22T04:45:44Z 2005 |
|
| Identifier |
Protist, Vol.156; 303-315p.
http://drs.nio.org/drs/handle/2264/891 |
|
| Description |
Thraustochytrids are ubiquitous, chemo-organotrophic, marine stramenipilan protists belonging to the class Labyrinthulomycetes. Their taxonomy is largely based on life cycle development stages. Described here is a new species of thraustochytrid isolated from mangroves of Goa, India. The organism is characterized by large zoosporangia with two distinct development cycles. In one, typical thalli with ectoplasmic net elements mature into zoosporangia that divide to form heterokont biflagellate zoospores, leaving behind a proliferation body. In the second type, the thalli develop into amoeboid cells, reminiscent of the genus Ulkenia Gaertner. Unlike Ulkenia, however, the 'amoebae' do not immediately produce zoospores, but round up prior to division into zoospores. The two types of development occur simultaneously in single cell-derived in vitro cultures. Molecular characterization of the new isolates involving 18S rRNA gene typing and comparative phylogenetic analysis further establishes it to be a new and distinct thraustochytrid species with Schizochytrium aggregatum Goldstein and Belsky and Thraustochytrium kinnei Gaertner as the closest forms. This new species is named as Thraustochytrium gaertnerium, deriving its species name in honour of Dr Alwin Gaertner, a pioneer in the studies of taxonomy and ecology of thraustochytrids.
|
|
| Language |
en
|
|
| Publisher |
Elsevier
|
|
| Rights |
Copyright [2005]. It is tried to respect the rights of the copyright holders to the best of the knowledge. If it is brought to our notice by copyright holder that the rights are voilated then the item would be withdrawn.
|
|
| Subject |
microorganisms
taxonomy new species mangroves development stages Thraustochytrium gaertnerium |
|
| Title |
Thraustochytrium gaertnerium sp. nov.: A new Thraustochytrid Stramenopilan protist from mangroves of Goa, India
|
|
| Type |
Journal Article
|
|