Suaeda aralocaspica

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Suaeda aralocaspica
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Suaeda
Species:
S. aralocaspica
Binomial name
Suaeda aralocaspica
(Bunge) Freitag & Schütze
Synonyms

Borszczowia aralocaspica Bunge

Suaeda aralocaspica is a species of plant in the family Amaranthaceae that is restricted to the deserts of Central Asia. It is a halophyte and uses C4 carbon fixation but lacks the characteristic leaf anatomy of other C4 plants (known as kranz anatomy). Carrying out complete C4 photosynthesis within individual cells, these plants instead are known as single‐cell C4 system or SCC4 plants.[1] This makes them distinct from typical C4 plants, which require the collaboration of two types of photosynthetic cells. SCC4 plants have features that make them potentially valuable in engineering higher photosynthetic efficiencies in agriculturally important C3 carbon fixation species such as rice. To address this, the 467 Mb genome of S. aralocaspica has been sequenced to help understanding of the evolution of SCC4 photosynthesis and contribute to the engineering of C4 photosynthesis into other economically important crops.[2]

It is monoecious, annual and grows to a height of between 20 and 50 cm (7.9–19.7 in). It flowers in August, producing seeds of two different sizes that differ in their morphology, dormancy and germination characteristics.[3]

The species was formerly classified in its own genus Borszczowia, which is now treated as section within genus Suaeda.[4]

References[]

  1. ^ Voznesenskaya, Elena V.; Edwards, Gerald E.; Kiirats, Olavi; Artyusheva, Elena G.; Franceschi, Vincent R. (2003). "Development of biochemical specialization and organelle partitioning in the single-cell C4 system in leaves of Borszczowia aralocaspica (Chenopodiaceae)". American Journal of Botany. 90 (12): 1669–1680. doi:10.3732/ajb.90.12.1669. ISSN 1537-2197. PMID 21653343.
  2. ^ Wang, Lei; Ma, Ganglong; Wang, Hongling; Cheng, Chao; Mu, Shuyong; Quan, Weili; Jiang, Li; Zhao, Zhenyong; Zhang, Yu; Zhang, Ke; Wang, Xuelian (2019-09-01). "A draft genome assembly of halophyte Suaeda aralocaspica, a plant that performs C4 photosynthesis within individual cells". GigaScience. 8 (9). doi:10.1093/gigascience/giz116. PMC 6741815. PMID 31513708.
  3. ^ Wang, L; Huang, Z; Baskin, CC; Baskin, JM; Dong, M (2008-09-03). "Germination of Dimorphic Seeds of the Desert Annual Halophyte Suaeda aralocaspica (Chenopodiaceae), a C4 Plant without Kranz Anatomy". Ann. Bot. 102 (5): 757–69. doi:10.1093/aob/mcn158. PMC 2712381. PMID 18772148. Archived from the original on 2012-07-12. Retrieved 2010-04-08.
  4. ^ Schütze, P.; Freitag, H.; Weising, K. (2003). "An integrated molecular and morphological study of the subfamily Suaedoideae Ulbr. (Chenopodiaceae)". Plant Systematics and Evolution. 239 (3–4): 257–286. doi:10.1007/s00606-003-0013-2. ISSN 0378-2697.


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