Abstract
Here we describe a new testate amoeba species Planhoogenraadia wuchanica sp. nov. identified in subtropical forest soils in Wuhan, central China. The smaller shell length, narrower aperture and distinctive ‘cap’ structure make P. wuchanica morphologically distinct from similar taxa in the genus. While this new species is morphologically distinctive, phylogenetic analyses would be beneficial to clarify taxonomic relationships within the genus Planhoogenraadia.
References
Arrieira, R.L., Schwind, L.T.F., Joko, C.Y., Alves, G.M., Velho, L.F.M. & Lansac-Tôha, F.A. (2016) Relationships between environmental conditions and the morphological variability of planktonic testate amoeba in four neotropical floodplains. European journal of Protistology, 56 (3), 180–-190.
https://doi.org/10.1016/j.ejop.2016.08.006
Bobrov, A. (2001) Findings of the tropical group testate amoebae (Protozoa, Testacea) at the Far East (Sikhote Alin Reserve). Biology Bulletin, 28 (4), 401–407.
Bobrov, A., Mazei, Y. & Tiunov, A.V. (2010) Testate amoebae of a monsoon tropical forest of South Vietnam. Acta Protozoologica, 49 (4), 311–325.
https://doi.org/10.1186/1471-2105-11-2
Bobrov, A. & Kosakyan, A. (2015) A new species from mountain forest soils in Japan, Porosia paracarinata sp. nov., and taxonomic concept of the genus Porosia Jung, 1942. Acta Protozoologica, 54 (2), 289–294.
https://doi.org/10.4467/16890027AP.15.024.3538
Bobrov, A., Qin, Y. & Wilkinson, D. (2015) Latitudinal diversity gradients in free-living microorganisms -Hoogenraadia a key genus in testate amoebae biogeography. Acta Protozoologica, 54 (1), 1–8.
https://doi.org/10.4467/16890027AP.15.001.2188
Bobrov, A., Krasilnikov, P. & Garcia-Calderón, N.E. (2013) Biogeography of testate amoebae in the soils of Mexico. Biodiversity and Conseration, 22 (12), 2837–2855.
https://doi.org/10.1007/s10531-013-0558-5
Bonnet, L. (1977a) Nouveaux Thecamoebiens du sol IX. Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 110 (3–4), 283–290.
Bonnet, L. (1977b) Le peuplement thecamoebiens des sols du Nepal et son interet biogeographique. Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 110 (5–6), 331–348.
Bonnet, L. (1980a) Quelques aspects de la faune thécamoébienne des sols de la Nouvelle–Guinée (Papouasie). Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 116 (1–2), 266–276.
Bonnet, L. (1980b) Faunistique et biogéographie des Thécamoebiens. VI. Thécamoébiens de quelques sols des Philippines. Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 116 (3–4), 277–282.
Bonnet, L. (1984) Nouvelles données sur le genre Planhoogenraadia (Thécamoebiens). Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 120 (3–4), 117–122.
Bonnet, L. & Gomez-Sanchez, M.S. (1984) Note préliminaire sur le peuplement des sols des Asturies (Espagne). Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 120 (1–2), 111–116.
Bonnet, L. (1987) Faunistique et biogéographie des thécamoebiens. IX. Thécamoebiens de quelques sols forestiers de Thaïlande. 2ème Partie. Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 123 (1–2), 115–121.
Bonnet, L. (1992) Faunistique et biogéographie des thécamoebiens. X. Thécamoebiens de quelques sols d'Indonésie (2ème partie). Extrait du Bulletin de La Society D’Histoire Naturelle De Toulouse, 128 (1–2), 17–21.
Golemansky, V. & Todorov, M. (2000) Testate amoebae (Protozoa, Rhizopoda) from Thailand. Acta Protozoologica, 39 (3), 337–344.
Kosakyan, A., Heger, T., Leander, B.S., Todorov, M., Mitchell, E.A.D. & Lara, E. (2012) COI barcoding of Nebelid testate amoebae (Amoebozoa, Arcellinida) extensive cryptic diversity and redefinition of the Hyalospheniidae Schultz. Protist, 163 (3), 415–434.
https://doi.org/10.1016/j.protis.2011.10.003
Lara, E., Heger, T.J., Ekelund, F., Lamentowicz, M. & Mitchell, E.A.D. (2008) Ribosomal RNA genes challenge the monophyly of the Hyalospheniidae (Amoebozoa, Arcellinida). Protist, 159 (2), 165–176.
https://doi.org/10.1016/j.protis.2007.09.003
Mazei, Y. & Tsyganov, A. (2006) Freshwater Testate Amoebae. KMK Scientific Press, Moscow, 300 pp. [in Russian]
Mulot, M., Marcisz, K., Grandgirard, L., Lara, E., Kosakyan, A., Robroek, B.J., Lamentowicz, M., Payne, R.J. & Mitchell, E.A.D. (2017) Genetic determinism vs. phenotypic plasticity in protist morphology. Journal of Eukaryotic Microbiology, 64 (6), 729–739.
https://doi.org/10.1111/jeu.12406
Ogden, C.G. & Hedley, R.H. (1980) An Atlas of Freshwater Testate Amoebae. Oxford University Press, Oxford, 222 pp.
Payne, R. & Mitchell, E.A.D. (2009) How many is enough? Determining optimal count totals for ecological and palaeoecological studies of testate amoebae. Journal of Paleolimnology, 42 (1), 16–20.
https://doi.org/ 10.1007/s10933-008-9299-y
Pérez-Juárez, H., Serrano-Vázquez, A., Kosakyan, A., Mitchell, E.A.D., Rivera Aguilar, V.M., Lahr, D.J.G., Moreno, M.M.H., Cuellar, H.M., Eguiarte, L.E. & Lara, E. (2017) Quadrulella texcalense sp. nov. from a Mexican desert, an unexpected new environment for Hyalospheniid testate amoebae. European Journal of Protistology, 61 (Part A), 253–264.
https://doi.org/10.1016/j.ejop.2017.06.008
Qin, Y., Xie, S. Smith, H.G., Swindles, G.T. & Gu, Y. (2011) Diversity, distribution and biogeography of testate amoebae in China, implications for ecological studies in Asia, European Journal of Protistology, 47 (1), 1–9.
https://doi.org/10.1016/j.ejop.2010.09.004
Qin, Y., Fournier, B., Lara, E., Gu, Y., Wang, H., Cui, Y., Zhang, X. & Mitchell, E.A.D. (2013a) Relationships between testate amoeba communities and water quality in Lake Donghu, a large alkaline lake in Wuhan, China. Frontiers of Earth Science, 7 (2), 182–190.
https://doi.org/10.1007/s11707-013-0352-4
Qin, Y., Mitchell, E.A.D., Lamentowicz, M., Payne R.J., Lara, E., Gu, Y., Huang, X. & Wang, H. (2013b) Ecology of testate amoebae in peatlands of central China and development of a transfer function for palaeohydrological reconstruction. Journal of Paleolimnology, 50 (3), 319–330.
https://doi.org/ 10.1007/s10933-013-9726-6
Qin, Y., Man, B., Kosakyan, A.,Lara, E., Gu,Y., Wang, H. & Mitchell, E.A.D. (2016a) Nebela jiuhuensis nov. sp. (Amoebozoa; Arcellinida; Hyalospheniidae), A new member of the Nebela saccifera–equicalceus–ansata group described from Sphagnum peatlands in South-Central China. Journal of Eukaryotic Microbiology, 63 (1), 558–566.
https://doi.org/10.1111/jeu.12300
Qin, Y.,Payne, R., Yang,X., Yao,M., Xue,J., Gu,Y. & Xie, S. (2016b) Testate amoebae as indicators of water quality and contamination in shallow lakes of the Middle and Lower Yangtze Plain. Environment Earth Science, 75 (7), 1–11.
https://doi.org/ 10.1007/s12665-016-5442-7
Todorov, M. & Golemansky, V. (1999) Planhoogenraadia bonneti sp. n, and Centropyxis thailandica sp. n. (Rhizopoda, Testacea), two new testaceans from Thailand. Acta Protozoologica, 38 (1), 255–261.
Wilkinson, D.M. & Mitchell, E.A.D. (2010) Testate amoebae and nutrient cycling with particular reference to soils. Geomicrobiol. Journal, 27 (5–8), 620–633.
https://doi.org/10.1080/01490451003702925