Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1093/aob/mcad067 |
| The diverse diaspora of CAM: a pole-to-pole sketch | |
| Holtum, Joseph A. M. | |
| 通讯作者 | Holtum, JAM |
| 来源期刊 | ANNALS OF BOTANY
 |
| ISSN | 0305-7364 |
| EISSN | 1095-8290 |
| 出版年 | 2023 |
| 卷号 | 132期号:4页码:597-625 |
| 英文摘要 | Background Crassulacean acid metabolism (CAM) photosynthesis is a successful adaptation that has evolved often in angiosperms, gymnosperms, ferns and lycophytes. Present in similar to 5 % of vascular plants, the CAM diaspora includes all continents apart from Antarctica. Species with CAM inhabit most landscapes colonized by vascular plants, from the Arctic Circle to Tierra del Fuego, from below sea level to 4800 m a.s.l., from rainforests to deserts. They have colonized terrestrial, epiphytic, lithophytic, palustrine and aquatic systems, developing perennial, annual or geophyte strategies that can be structurally arborescent, shrub, forb, cladode, epiphyte, vine or leafless with photosynthetic roots. CAM can enhance survival by conserving water, trapping carbon, reducing carbon loss and/or via photoprotection. Scope This review assesses the phylogenetic diversity and historical biogeography of selected lineages with CAM, i.e. ferns, gymnosperms and eumagnoliids, Orchidaceae, Bromeliaceae, Crassulaceae, Euphorbiaceae, Aizoaceae, Portulacineae (Montiaceae, Basellaceae, Halophytaceae, Didiereaceae, Talinaceae, Portulacaceae, Anacampserotaceae and Cactaceae) and aquatics. Conclusions Most extant CAM lineages diversified after the Oligocene/Miocene, as the planet dried and CO2 concentrations dropped. Radiations exploited changing ecological landscapes, including Andean emergence, Panamanian Isthmus closure, Sundaland emergence and submergence, changing climates and desertification. Evidence remains sparse for or against theories that CAM biochemistry tends to evolve before pronounced changes in anatomy and that CAM tends to be a culminating xerophytic trait. In perennial taxa, any form of CAM can occur depending upon the lineage and the habitat, although facultative CAM appears uncommon in epiphytes. CAM annuals lack strong CAM. In CAM annuals, C-3 + CAM predominates, and inducible or facultative CAM is common. |
| 英文关键词 | C-3 + CAM C-4 + CAM CAM biogeography CAM distribution CAM evolution crassulacean acid metabolism facultative CAM Lecanopteris sinuosa (Polypodiaceae) strong CAM |
| 类型 | Article |
| 语种 | 英语 |
| 开放获取类型 | hybrid |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:001110284400001 |
| WOS关键词 | CRASSULACEAN ACID METABOLISM ; CARBON-ISOTOPE RATIOS ; TROPICAL DECIDUOUS FOREST ; SEDUM-ACRE-L ; HISTORICAL BIOGEOGRAPHY ; PHYLOGENETIC-RELATIONSHIPS ; KALANCHOE CRASSULACEAE ; VASCULAR EPIPHYTES ; DELTA-C-13 VALUES ; SUCCULENT PLANTS |
| WOS类目 | Plant Sciences |
| WOS研究方向 | Plant Sciences |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/395318 |
| 推荐引用方式 GB/T 7714 | Holtum, Joseph A. M.. The diverse diaspora of CAM: a pole-to-pole sketch[J],2023,132(4):597-625. |
| APA | Holtum, Joseph A. M..(2023).The diverse diaspora of CAM: a pole-to-pole sketch.ANNALS OF BOTANY,132(4),597-625. |
| MLA | Holtum, Joseph A. M.."The diverse diaspora of CAM: a pole-to-pole sketch".ANNALS OF BOTANY 132.4(2023):597-625. |
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