Results 21 to 30 of about 1,110,706 (305)

Tree contractions and evolutionary trees [PDF]

SIAM Journal on Computing, 1997
An evolutionary tree is a rooted tree where each internal vertex has at least two children and where the leaves are labeled with distinct symbols representing species. Evolutionary trees are useful for modeling the evolutionary history of species. An agreement subtree of two evolutionary trees is an evolutionary tree which is also a topological subtree
openaire   +4 more sources

Transcriptome analysis identifies genes involved in the somatic embryogenesis of Eucalyptus

BMC Genomics, 2020
Background Eucalyptus, a highly diverse genus of the Myrtaceae family, is the most widely planted hardwood in the world due to its increasing importance for fiber and energy.
Yufei Xiao, Junji Li, Ye Zhang, Xiaoning Zhang, Hailong Liu, Zihai Qin, Bowen Chen   +6 more
doaj   +1 more source

Efficient implementation of lazy suffix trees [PDF]

, 2003
Giegerich R, Kurtz S, Stoye J. Efficient implementation of lazy suffix trees. SOFTWARE-PRACTICE & EXPERIENCE. 2003;33(11):1035-1049.We present an efficient implementation of a write-only top-down construction for suffix trees.
Stoye, Jens ; https://orcid.org/, Giegerich, Robert, Kurtz, Stefan   +2 more
core   +1 more source

Trees

, 2023
Sets of complete trees generated by TACT (n=100) and DNA-only trees (n=100) necessary to run PLRs and phylogenetic signal analyses using the scripts in: https://github.com/RobRozzi ...
Roberto Rozzi (12480213)
core   +1 more source

Rosa funingensis (Rosaceae), a new species from Yunnan, China [PDF]

PhytoKeys, 2023
A new species Rosa funingensis and its variant R. funingensis f. rosea, both collected from Yunnan Province, China, are, for the first time, documented and illustrated in this study.
Ling-Na Zheng, Le Luo, Yu-Wei Tang, Chao Yu, Pei-Feng Lyu, Xue-Sen Liu, Qi-Xiang Zhang, Yu-Yong Yang   +7 more
doaj   +3 more sources

Logistic model trees [PDF]

, 2005
Tree induction methods and linear models are popular techniques for supervised learning tasks, both for the prediction of nominal classes and numeric values.
Hall, Mark A., Landwehr, Niels, Frank, Eibe   +2 more
core   +1 more source

Gelidocalamus xunwuensis (Poaceae, Bambusoideae), a new species from southeastern Jiangxi, China

PhytoKeys, 2017
Gelidocalamus xunwuensis W.G.Zhang & G.Y.Yang, a new species collected from Xunwu County of Jiangxi Province in China, is described and illustrated. The new species is similar to G. stellatus in the habit, but differs by internodes sparsely hairy
Wen-Gen Zhang, Xue-Nan Ji, Yu-Guang Liu, Wei-Jian Li, Guang-Yao Yang   +4 more
doaj   +3 more sources

Categorizing Ideas about Trees: A Tree of Trees

PLoS ONE, 2013
The aim of this study is to explore whether matrices and MP trees used to produce systematic categories of organisms could be useful to produce categories of ideas in history of science. We study the history of the use of trees in systematics to represent the diversity of life from 1766 to 1991.
Marie Fisler, Guillaume Lecointre
openaire   +4 more sources

Salinity tolerance improvement of in vitro propagated Paulownia tomentosa using proline

Bulletin of the National Research Centre, 2020
Background Paulownia tomentosa has been used as an ornamental plant and is still vastly used for this objective and can be utilized for the production of energy, wooden building materials, and paper pulp.
Nora Muhammad Youssef, Khaled Ismail Hashish, Lobna Salah Taha   +2 more
doaj   +1 more source

Soil Microbial Adaptation and Biogeochemical Feedback in Degraded Alpine Meadows of the Qinghai–Tibetan Plateau

Microorganisms
Alpine meadows on the Qinghai–Tibetan Plateau are experiencing rapid degradation due to climate change and anthropogenic disturbances, leading to severe ecological consequences.
Bingzhang Li, Quzhen Gesang, Yan Sun, Yuting Wang, Jibin Nan, Jun Xu   +5 more
doaj   +1 more source