Coccomyxa antarctica Shunan Cao & Qiming Zhou

Cao, Shunan, Zhang, Fang, Zheng, Hongyuan, Liu, Chuanpeng, Peng, Fang & Zhou, Qiming, 2018, Coccomyxaantarctica sp. nov. from the Antarctic lichen Usneaaurantiacoatra, PhytoKeys 98, pp. 107-115: 110-111

publication ID

http://dx.doi.org/10.3897/phytokeys.98.25360

persistent identifier

http://treatment.plazi.org/id/CCBB7576-F978-7833-AFBC-B3C635573EF0

treatment provided by

PhytoKeys by Pensoft

scientific name

Coccomyxa antarctica Shunan Cao & Qiming Zhou
status

sp. nov.

Coccomyxa antarctica Shunan Cao & Qiming Zhou  sp. nov. Figures 1, 2

Holotype.

Preparation FACHB-2140, Freshwater Algae  Culture Collection, the Institute of Hydrobiology (FACHB-Collection) represented here by Figure 1d.

Type locality.

Antarctic, Fildes Peninsula, on stone (62°12.70'S, 58°55.70'W), 44 m a.s.l., Isolated from the Antarctic lichen Usnea aurantiacoatra  (d-B1, BIRDS ID: 2131C0001ASBM100063) on 5th May 2014.

Diagnosis.

The vegetative cells are ovoid to ellipsoidal, asymmetrical, 4-7 µm wide and 8-12 µm long; some cells were sub-sphaeroidal in BBM medium, without mucilaginous sheath. Cell wall smooth, double in ultrastructures. Protoplast with single central cell nucleus, filled with lipid droplets. Chloroplast parietal, with starch granules in interthylacoidal spaces, without pyrenoid. Reproductive cells were not observed. It looks morphologically similar to other Coccomyxa  species but differs from other species of Coccomyxa  in ITS rDNA (Table 1 & Figure 3a) and SSU rDNA (Table 1, Figure 3b).

Habitat.

Epiphytic green alga, living with lichen Usnea aurantiacoatra  in harsh environments (Antarctic).

Kingdom

Plantae

Phylum

Myxozoa

Class

Myxosporea

Order

Bivalvulida

Family

Myxidiidae

Genus

Coccomyxa