Arid
DOI10.1007/s10592-018-1079-2
Considering evolutionary processes in cycad conservation: identification of evolutionarily significant units within Dioon sonorense (Zamiaceae) in northwestern Mexico
Said Gutierrez-Ortega, Jose1; Jimenez-Cedillo, Karen2; Angel Perez-Farrera, Miguel3; Vovides, Andrew P.4; Martinez, Jose F.5; Molina-Freaner, Francisco5,6; Imai, Ryosuke7; Tsuda, Yoshiaki7; Matsuki, Yu8; Suyama, Yoshihisa8; Watano, Yasuyuki1; Kajita, Tadashi9
通讯作者Said Gutierrez-Ortega, Jose ; Kajita, Tadashi
来源期刊CONSERVATION GENETICS
ISSN1566-0621
EISSN1572-9737
出版年2018
卷号19期号:5页码:1069-1081
英文摘要

Cycads are considered to be the most threatened plant group on Earth. Thus, the identification of important biological units for conservation is crucial for their management and protection. Taxonomic studies have enormously contributed to cycad conservation, since species descriptions formally recognize biodiversity components that can be considered in conservation. However, because multidisciplinary studies that evaluate the biodiversity within cycad species are almost non-existent intraspecific evolutionarily significant units (ESUs) have not been considered when making conservation plans. The cycad Dioon sonorense (Zamiaceae) has a relatively wide distribution range along a vegetation gradient in Northwest Mexico: the southern populations of D. sonorense occur in tropical forests, whereas the northern populations occur in more xeric environments in the Sonoran Desert. Although both habitats might have promoted important evolutionary trends within D. sonorense, only the southern populations are being conserved. Here, we evaluated whether intrinsic differentiation among populations of D. sonorense exists, and whether northern populations may merit attention in conservation programs. We analyzed the variation of genome-wide loci to evaluate the genetic structure among six populations. We found two clusters, northern and southern, that can be recognized using 361 neutral loci. Such genetic structure is consistent with the differentiation observed from the variation of 16 macromorphological and 9 epidermal traits. Southern and northern regions are clearly differentiated in genetic, morphological and anatomical analyses. These multidisciplinary results suggest that the northernmost populations of D. sonorense represent an ESU that should be included in conservation programs. This study highlights that the evaluation of intraspecific variation may contribute effective strategies for cycad conservation, and that evolutionary processes should be considered in the delimitation of conservation units.


英文关键词Cycads Dioon sonorense Evolutionarily significant units Epidermal anatomy MIG-seq Sonoran Desert
类型Article
语种英语
国家Japan ; Mexico
收录类别SCI-E
WOS记录号WOS:000446130400004
WOS关键词GENETIC DIVERSITY ; LINDL. ZAMIACEAE ; LEAFLET ANATOMY ; POPULATIONS ; MORPHOLOGY ; NORTH ; ENVIRONMENT ; SPECIATION ; SOFTWARE ; COMPLEX
WOS类目Biodiversity Conservation ; Genetics & Heredity
WOS研究方向Biodiversity & Conservation ; Genetics & Heredity
来源机构Universidad Nacional Autónoma de México
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208477
作者单位1.Chiba Univ, Grad Sch Sci, Dept Biol, Chiba 2638522, Japan;
2.Univ Sonora, Biol, Hermosillo 83000, Sonora, Mexico;
3.Univ Ciencias & Artes Chiapas, Inst Ciencias Biol, Lab Ecol Evolut, Herbario Eizi Matuda, Tuxtla Gutierrez 29039, Mexico;
4.Inst Ecol AC, Dept Biol Evolut, Xalapa 91070, Veracruz, Mexico;
5.Univ Nacl Autonoma Mexico, Inst Ecol, Dept Ecol Biodiversidad, Hermosillo 83250, Sonora, Mexico;
6.Univ Nacl Autonoma Mexico, Inst Geol, Estn Reg Noroeste, Hermosillo 83250, Sonora, Mexico;
7.Univ Tsukuba, Sugadaira Montane Res Ctr, 1278-294 Sugadairakogen, Ueda, Nagano 3862204, Japan;
8.Tohoku Univ, Grad Sch Agr Sci, Kawatabi Field Sci Ctr, 232-3 Yomogida, Osaki, Miyagi 9896711, Japan;
9.Univ Ryukyus, Iriomote Stn, Trop Biosphere Res Ctr, Okinawa 9071541, Japan
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Said Gutierrez-Ortega, Jose,Jimenez-Cedillo, Karen,Angel Perez-Farrera, Miguel,et al. Considering evolutionary processes in cycad conservation: identification of evolutionarily significant units within Dioon sonorense (Zamiaceae) in northwestern Mexico[J]. Universidad Nacional Autónoma de México,2018,19(5):1069-1081.
APA Said Gutierrez-Ortega, Jose.,Jimenez-Cedillo, Karen.,Angel Perez-Farrera, Miguel.,Vovides, Andrew P..,Martinez, Jose F..,...&Kajita, Tadashi.(2018).Considering evolutionary processes in cycad conservation: identification of evolutionarily significant units within Dioon sonorense (Zamiaceae) in northwestern Mexico.CONSERVATION GENETICS,19(5),1069-1081.
MLA Said Gutierrez-Ortega, Jose,et al."Considering evolutionary processes in cycad conservation: identification of evolutionarily significant units within Dioon sonorense (Zamiaceae) in northwestern Mexico".CONSERVATION GENETICS 19.5(2018):1069-1081.
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