Morphology and distribution of some marine diatoms, Family Rhizosoleniaceae, in Korean coastal waters: a genus Rhizosolenia 1

Yun, Suk-Min; Lee, Jin-Hwan

doi:10.4490/algae.2010.25.4.173

Cited by 7 publications

(2 citation statements)

References 11 publications

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“…As shown in Table 2 of Yun and Lee (2010), Table 2 in Yun et al (2011), and Tables 2-4 in the present study, we divided the 6 genera within the family Rhizosoleniaceae into two groups by morphological diagnostic characteristics including the shape of the external process and girdle segments in the column Lee 2010, Yun et al 2011). The first group had a conoidal valve and loculate areolae and was comprised of Proboscia, Pseudosolenia, Rhizosolenia, Neocalyptrella, and the second group had a flat or rounded valve and poroid areolae and was of Guinardia and Dactyliosolen.…”

Section: Discussionmentioning

confidence: 93%

Morphology and distribution of some marine diatoms, family Rhizosoleniaceae, genus Proboscia, Neocalyptrella, Pseudosolenia, Guinardia, and Dactyliosolen in Korean coastal waters

Yun¹,

Lee²

2011

ALGAE

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The morphology, taxonomy, and distribution of species belonging to the diatom family Rhizosoleniaceae were studied from the marine coastal waters of Korea. Rhizosolenid diatom taxa were collected at 30 sites from September 2008 to February 2010 and were analyzed by light and scanning electron microscopy. We identified 6 rhizosolenid genera, including Rhizosolenia, Proboscia, Pseudosolenia, Neocalyptrella, Guinardia, and Dactyliosolen. We describe 5 genera in this study, except Rhizosolenia. Five genera were compared in detail with congeneric species. Six genera within the family Rhizosoleniaceae were divided into two groups based on morphological diagnostic characters including valve shape, areolae pattern, the shape of external process, and girdle segments in the column. The first group had a conoidal valve and loculate areolae, which comprised Rhizosolenia, Proboscia, Pseudosolenia, and Neocalyptrella, and the second group of Guinardia and Dactyliosolen showed a flat or rounded valve and poroid areolae. Important key diagnostic characters were based on valve shape, areolae pattern on the segment, external process, position of the tube, and the valve margin. D. phuketensis was new to Korean coastal waters.

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Section: Discussionmentioning

confidence: 93%

Morphology and distribution of some marine diatoms, family Rhizosoleniaceae, genus Proboscia, Neocalyptrella, Pseudosolenia, Guinardia, and Dactyliosolen in Korean coastal waters

Yun¹,

Lee²

2011

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“…Lee (1990) arranged a check-list of the marine fossil diatoms and Lee et al (1995) made a check-list of 1457 diatom species from 1929 to 1993 in Korea, Lee (1995) made a checklist of 761 diatom species in Korean coastal waters. In the recent time, many authors have collected the planktonic and periphytic diatoms in the marine waters, and a number of species are newly reported with these floristic studies (Lee and Park 2008, Jung et al 2009, Park and Lee 2010, Yun and Lee 2010, Lee and Lee 2011, Lee et al 2012 However, taxonomic or floristic studies of diatoms have not been reported in the three Islands (Baeknyeong, Daecheong, Socheong) in Yellow Sea of Korea, because these area adjoin the Northern Limit Line (NLL). NLL is important area in Korea, the disputed maritime boundary between North Korea and South Korea in the Yellow Sea.…”

Section: Introductionmentioning

confidence: 99%

Floristic Survey of Diatom in the Three Islands (Baeknyeong, Daecheong, Socheong) from Yellow Sea of Korea

Lee¹,

Yun²,

Park³

et al. 2015

J. Ecol. Environ.

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A floristic study on the diatom was carried out in coastal area at two seasons, August 2014 and April 2015, from three islands in the northern area of Yellow Sea of South Korea. A total of 117 species of diatoms, including 3 classes, 9 subclasses, 20 orders, 32 families and 54 genera, were identified based on LM and SEM examinations. Three species of diatoms, Gyrosigma obscurum, Pleurosigma frenguellianum, and P. sabangi were newly recorded in Korea. The historical synonyms of the species are presented for the floristic informations, the examined specimen for the each taxon is specified, and the distribution in three islands and detailed sampling localities of each taxon are given.

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Can diatom girdle band pores act as a hydrodynamic viral defense mechanism?

et al. 2019

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Diatoms are microalgae encased in highly structured and regular frustules of porous silica. A long-standing biological question has been the function of these frustules, with hypotheses ranging from them acting as photonic light absorbers to being particle filters. While it has been observed that the girdle band pores of the frustule of Coscinodiscus sp. resemble those of a hydrodynamic drift ratchet, we show using scaling arguments and numerical simulations that they cannot act as effective drift ratchets. Instead, we present evidence that frustules are semiactive filters. We propose that frustule pores simultaneously repel viruses while promoting uptake of ionic nutrients via a recirculating, electroosmotic dead-end pore flow, a new mechanism of "hydrodynamic immunity".

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Morphology and distribution of some marine diatoms, Family Rhizosoleniaceae, in Korean coastal waters: a genus Rhizosolenia 1

Cited by 7 publications

References 11 publications

Morphology and distribution of some marine diatoms, family Rhizosoleniaceae, genus Proboscia, Neocalyptrella, Pseudosolenia, Guinardia, and Dactyliosolen in Korean coastal waters

Morphology and distribution of some marine diatoms, family Rhizosoleniaceae, genus Proboscia, Neocalyptrella, Pseudosolenia, Guinardia, and Dactyliosolen in Korean coastal waters

Floristic Survey of Diatom in the Three Islands (Baeknyeong, Daecheong, Socheong) from Yellow Sea of Korea

Can diatom girdle band pores act as a hydrodynamic viral defense mechanism?

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