Ultrastructure of four Surirella taxa (Bacillariophyceae) from Qinghai Province, northwest China, with reference to the characteristics of portulae

JI-YAN LONG; BING LIU; PATRICK RIOUAL; BIN YANG; MIN ZHOU

doi:10.11646/phytotaxa.592.2.11

Issue: Vol. 592 No. 2: 18 April 2023

Type: Article

Published: 2023-04-18

DOI: 10.11646/phytotaxa.592.2.11

Page range: 163-177

Abstract views: 87

PDF downloaded: 4

**Ultrastructure of four Surirella taxa (Bacillariophyceae) from Qinghai Province, northwest China, with reference to the characteristics of portulae**

JI-YAN LONG⁺⁻
BING LIU⁺⁻
PATRICK RIOUAL⁺⁻
BIN YANG⁺⁻
MIN ZHOU⁺⁻

College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China

Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. box 9825, Beijing 100029, China. CAS Center for Excellence in Life and Paleoenvironment, Beijing 100044, China.

College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China

canal raphe fibula portula pseudoseptum Surirella liubingii Algae

Requires Subscription or Fee PDF (16MB)

Abstract

During our investigations on the freshwater diatoms from Qinghai Province, China, four sympatric Surirella taxa belonging to the group Pinnatae were analysed. Based on morphological observations derived from light and scanning electron microscopy, three of these four taxa were identified as: S. minuta, S. lacrimula, and S. brebissonii var. kuetzingii. The fourth taxon is described as Surirella liubingii sp. nov., a new species with a unique combination of characteristics. These include the distribution pattern of its costa-stria bundles (CSBs) alternating with its over-fibula costae (OFCs), which is formed by the distinctly elevated CSBs on the valve face, mostly composed of three costae, and OFCs with a remarkedly lower position. Other characteristics include the presence of robust fibulae extending to the valve midline, the presence of only one portula between two adjacent fibulae, and a “pseudoseptum” extending internally from the valve margin. From the observations on these four Surirella taxa, we described and discussed two types of fibula (one in which the fibula nearly reaches the valve midline and one with short fibula) and two types of portula morphology (one with only one portula between two adjacent fibulae and the other with 2–4 portulae between two adjacent fibulae).

References

Bey, M.-Y. & Ector, L. (2013) Atlas des diatomées des cours d’eau de la région Rhône-Alpes, Tome 6. Bacillariacées, Rhopalodiacées, Surirellacées. DREAL Rhône-Alpes, Lyon, France, pp. 973–1182.
Brébisson, A. de. (1838) Considerations sur les diatomées et essai d’une classification des genres et des espèces appartenant à cette famille, par A. de Brébisson, auteur de la Flore de Normandie, etc. Falaise & Paris: Brée l’Ainée Imprimeur-Libraire; Meilhac. pp. [i], [1]–20 [error pages bound?]. https://doi.org/10.5962/bhl.title.64353
Caglar, M., Bulut, H. & Selamoglu, Z. (2022) Epipsammic diatom fauna of Karabey Creek in Türkiye. Survey in Fisheries Sciences 9 (1): 65–77. https://doi.org/10.18331/SFS2022.9.1.6
Dedić, A., Plenković-Moraj, A., Kralj Borojević, K. & Hafner, D. (2015) The first report on periphytic diatoms on artificial and natural substrate in the karstic spring Bunica, Bosnia and Herzegovina. Acta Botanica Croatica 74 (2): 393–406. https://doi.org/10.1515/botcro-2015-0029
Ehrenberg, C.G. (1838) Die Infusionsthierchen als vollkommene Organismen. In Ein Blick in das tiefere organische Leben der Natur. Leipzig, Verlag von Leopold Voss. pp. 548., 64 pls. https://doi.org/10.5962/bhl.title.58475
Ehrenberg, C.G. (1845) Über das Kleinste organische Leben an meheren bisher nicht untersuchten Erdpunkten. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich-Preussischen Akademie der Wissenschaften zu Berlin 10: 304–322.
English, J.D. & Potapova, M.G. (2012) Ontogenetic and interspecific valve shape variation in the Pinnatae group of the genus Surirella and the description of S. lacrimula sp. nov. Diatom Research 27 (1): 9–27. https://doi.org/10.1080/0269249X.2011.642950
Kociolek, J.P., You, Q., Liu, Q., Liu, Y. & Wang, Q. (2020) Continental diatom biodiversity discovery and description in China: 1848 through 2019. PhytoKeys 160: 45–97. https://doi.org/10.3897/phytokeys.160.54193
Krammer, K. & Lange-Bertalot, H. (1987) Morphology and taxonomy of Surirella ovalis and related taxa. Diatom Research 2 (1): 77–95. https://doi.org/10.1080/0269249X.1987.9704986
Kützing, F.T. (1849) Species algarum. Lipsiae [Leipzig]: F.A. Brockhaus. pp. [i]–vi, [1]–922.
Lange-Bertalot, H., Hofmann, G., Werum, M. & Cantonati, M. (2017) Freshwater benthic diatoms of Central Europe. Over 800 common species used in ecological assessment. Emglish edition with updated taxonomy and added species. In: Cantonati, M., Kelly, M.G. & Lange-Beralot, H. (eds.) Koeltz Botanical Books, Schmitten-Oberreifenberg, Germany, 942 pp.
Liu, B., Blanco, S., Ector, L., Liu, Z.-X. & Ai, J. (2019) Surirella wulingensis sp. nov. and fine structure of S. tientsinensis Skvortzov (Bacillariophyceae) from China. Fottea 19 (2): 151–162. https://doi.org/10.5507/fot.2019.006
Liu, B., Kociolek, J.P. & Ector, L. (2021) Surirella dongtingensis sp. nov. and ultrastructure of S. undulata (Bacillariophyta) from China. Botany Letters 168 (1): 32–41. https://doi.org/10.1080/23818107.2020.1756908
Liu, J., Wei, G., Hu, R., Zhang, C. & Han, B. (2013) Atlas of benthic diatoms in the Dongjiang River of the Pearl River Basin. China Environmental Press, Beijing. 108 pp., 42 plates. [In Chinese]
Long, J.-Y., Kociolek, J.P., Williams, D.M., Liu, B., Mo, W.-H. & Chen, J.-H. (2022) Two new freshwater species of Surirella (Bacillariophyta) from the Wuling Mountains, China. PhytoKeys 201: 35–49. https://doi.org/10.3897/phytokeys.201.7962
Paddock, T.B.B. & Sims, P.A. (1977) A preliminary survey of the raphe structure of some advanced groups of diatoms (Epithemiaceae, Surirellaceae). Nova Hedwigia, Behifete 54: 291–322.
Ruck, E.C. & Kociolek, J.P. (2004) Preliminary phylogeny of the family Surirellaceae (Bacillariophyta). Bibliotheca Diatomologica 50: 1–236.
Ruck, E.C., Nakov, T., Alverson, A.J. & Theriot, E.C. (2016) Phylogeny, ecology, morphological evolution, and reclassification of the diatom orders Surirellales and Rhopalodiales. Molecular Phylogenetics and Evolution 103: 155–171. https://doi.org/10.1016/j.ympev.2016.07.023
Safiallah, S., Saadatmand, S., Kheiri, S. & Iranbakhsh, A. (2020) Biodiversity of diatoms in the Kashkan River in the Zagros Mountains, western Iran. The Iranian Journal of Botany 26 (2): 141–161. https://doi.org/10.22092/ijb.2020.351698.1296
Seeligmann, C. & Maidana, N. (2019) Diatomeas perifíticas de un río de montaña (Tucumán, Argentina). Lilloa 56 (1): 64–91. https://doi.org/10.30550/j.lil/2019.56.1/5
Skvortzow, B.W. (1927) Diatoms from Tientsin, North China. Journal of Botany, British and Foreign 65: 102–109.
Szczepocka, E., Nowicka-Krawczyk, P. & Kruk, A. (2018) Deceptive ecological status of urban streams and rivers—evidence from diatom indices. Ecosphere 9 (7): e02310. https://doi.org/10.1002/ecs2.2310
Turpin, P.J.F. (1828) Observations sur le nouveau genre Surirella. Mémoires du Musée d’Histoire Naturelle 16: 361–368.
Van de Vijver, B., Cocquyt, C., De Haan, M., Kopalová, K. & Zidarova, R. (2013) The genus Surirella (Bacillariophyta) in the sub-Antarctic and maritime Antarctic region. Diatom Research 28 (1): 93–108. https://doi.org/10.1080/0269249X.2012.739975
Wang, Q. (2018) Flora Algarum Sinicarum Aquae Dulcis, volume XXII. Bacillariophyta, Aulonoraphidinales. Science Press, Beijing. 166 pp, 155 plates. [In Chinese]
Zhu, H. & Chen, J. (2000) Bacillariophyta of the Xizang Plateau. Science Press, Beijing. 353 pp. [In Chinese]