ID: 613 / 59

Category: Symposia

Track: Pending

Proposed Symposium Title: TAXONOMY AND EVOLUTION OF BAMBOOS IN THE PHYLOGENOMIC ERA

Abstract: The bamboo subfamily (Poaceae: Bambusoideae) is one of the largest in the grass family of some 1,700 species with enormous economic, ecological and cultural importance. The Bamboo Phylogeny Group (BPG) was initiated in 2005 and subsequently, a classification of Bambusoideae at the subtribal level was built based on plastid markers. Molecular phylogenetic studies revealed that three tribes, i.e., the Arundinarieae (the temperate woody bamboos), the Bambuseae (the tropical woody bamboos) and the Olyreae (the herbaceous bamboos) are monophyletic, but cytonuclear discordance occurred at tribal, subtribal and lower levels. In the past five years, the accelerated development of high-throughput sequencing technology has provided a great impetus for plant phylogenetic studies, and a large number of phylogenetic studies adopting hundreds to thousands of genes across a wealth of clades, including the bamboos, have emerged and ushered plant phylogenetics and evolution into the phylogenomic era. Current phylogenomic studies demonstrated that bamboos had experienced an extremely complicated evolutionary history, such as ancient reticulation and introgression, allopolyploidization, and incomplete lineage sorting, and a joint, international collaborative effort should be made to deepen our understanding of bamboo taxonomy and evolution at broad scales. To meet this challenge, Professors De-Zhu Li (Kunming Institute of Botany of the Chinese Academy of Sciences, China) and Lynn G. Clark (Iowa State University, USA) initiated BPG II in August 2022, with more than 30 researchers from Americas, Asia, and Europe. The aim of BPG II is to build a tree of life of bamboos at the generic level using large-scale morphological and phylogenomic datasets. This symposium will focus on the advances in morphology, taxonomy, phylogenomics and biogeography of bamboo genera of the world. It is expected that researchers from different continents would present their progress, discuss various problems and promote taxonomic and phylogenetic studies of this important clade.

Speaker 1: Lynn G. Clark, Iowa State University, Bessey Hall, Ames, Iowa IA 50011-1020, USA, lgclark@iastate.edu Evolution and diversity of Chusquea, tribe Bambuseae, subfamily Bambusoideae

Speaker 2: Reyjane Patricia de Oliveira Universidade Estadual de Feira de Santana, Brazil rpatricia@uefs.br Advances in systematics, evolution and conservation of herbaceous bamboos (Poaceae, tribe Olyreae): what do we still need to know?

Speaker 3: Meng-Yuan Zhou Kunming Institute of Botany of the Chinese Academy of Sciences, China zhoumengyuan@mail.kib.ac.cn Phylogenomics of bamboos using deep genome skimming data

Topics (Up to three): Biogeography / Phylogeography

Topic 2: Phylogenetics and Phylogenomics

Topic 3: Systematics

Justification: First, Bambusoideae is a unique grass clade with an extremely complicated taxonomic and evolutionary history, and the talks would get the interest of broad audience in Poaceae and monocots. Second, under the umbrella of Bamboo Phylogeny Group II, the organizers and potential speakers are working at the forefront of bamboo taxonomy and evolution, and balanced in gender, career stage, and geographical (Asia, America and Europe) and taxonomic coverages. Third, our presentations will cover broad topics (from morphology, microecology to genomics) and include novel views and methodologies. Fourth, under-represented taxonomic groups and countries will be prioritized from among submitted abstracts.