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Showing 1 to 12 of 211 entries
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Rapid diversification of Tragopogon and ecological associates in Eurasia

STEM and diversification

Bell CD, Mavrodiev EV, Soltis PS.
GSID: EDSDeTumgiEJ
CD Bell, EV Mavrodiev, PS Soltis… - Journal of …, 2012 - Wiley Online Library

… We estimated rates for both stem and crown group Tragopogon for two extremes: one, where we assumed no extinction (ε = 0), and another, where we assumed that the extinction rate …

Assessing the impact of a challenge-based, Collectivist approach to learning on minority student engagement in the Geosciences

Minority STEM

Kotowski AJ, Soltis N, Wright VD.
GSID: 7wvTDpf9M3cJ
AJ Kotowski, VD Wright, N Soltis… - AGU Fall Meeting …, 2019 - ui.adsabs.harvard.edu

… minority students pursuing STEM college majors, but Geoscience remains the least ethnically and racially diverse STEM … field class leads to increased minority student engagement and …

Nested radiations and the pulse of angiosperm diversification: increased diversification rates often follow whole genome duplications

STEM and diversification

Pennell MW, Soltis PS, Tank DC.
GSID: ywjd9_qzsRwJ
DC Tank, JM Eastman, MW Pennell, PS Soltis… - New …, 2015 - Wiley Online Library

… diversification across the angiosperm tree of life by modeling evolutionary … Stem ages for angiosperm families (and associated 95% confidence intervals) retained for our diversification …

The relationship between active learning, course innovation, and teaching Earth systems thinking: A structural equation modeling approach

teaching innovation

Soltis NA, McNeal KS, Forbes CT.
GSID: tA2ufCnZmxkJ
NA Soltis, KS McNeal, CT Forbes, D Lally - Geosphere, 2019 - pubs.geoscienceworld.org

… it was hypothesized that active-learning teaching practices would predict EST course changes and EST teaching. However, the model … active-learning teaching practices and EST teaching. In other words, the relationship between active-learning and EST teaching practices is …

The age and diversification of the angiosperms re‐revisited

STEM and diversification

Bell CD, Soltis PS, Soltis DE.
GSID: OWMf5ami7tkJ
CD Bell, DE Soltis, PS Soltis - American journal of botany, 2010 - Wiley Online Library

… orders and 335 families [208 stem group age only, 127 both stem and crown group ages], … mystery” of the origin and early diversification of the angiosperms (see American Journal of …

Polyploidy and angiosperm diversification

STEM and diversification

Albert VA, Leebens‐Mack J, Soltis DE.
GSID: dO229pU98osJ
DE Soltis, VA Albert, J Leebens‐Mack… - American journal of …, 2009 - Wiley Online Library

… wide duplication events along the stem lineage leading to the crown angiosperms? Similar questions also apply to early events in angiosperm diversification. Phylogenetic studies have …

MarkerMiner 1.0: A new application for phylogenetic marker development using angiosperm transcriptomes.

Applications in plant sciences

Chamala S, García N, Godden GT, Krishnakumar V, Jordon-Thaden IE, De Smet R, Barbazuk WB, Soltis DE, Soltis PS.
PMID: 25909041
Appl Plant Sci. 2015 Apr 06;3(4). doi: 10.3732/apps.1400115. eCollection 2015 Apr.

PREMISE OF THE STUDY: Targeted sequencing using next-generation sequencing (NGS) platforms offers enormous potential for plant systematics by enabling economical acquisition of multilocus data sets that can resolve difficult phylogenetic problems. However, because discovery of single-copy nuclear (SCN) loci...

Importance of interlayer H bonding structure to the stability of layered minerals.

Scientific reports

Conroy M, Soltis JA, Wittman RS, Smith FN, Chatterjee S, Zhang X, Ilton ES, Buck EC.
PMID: 29038454
Sci Rep. 2017 Oct 16;7(1):13274. doi: 10.1038/s41598-017-13452-7.

Layered (oxy) hydroxide minerals often possess out-of-plane hydrogen atoms that form hydrogen bonding networks which stabilize the layered structure. However, less is known about how the ordering of these bonds affects the structural stability and solubility of these minerals....

Cytogeography of the Humifusa clade of Opuntia s.s. Mill. 1754 (Cactaceae, Opuntioideae, Opuntieae): correlations with pleistocene refugia and morphological traits in a polyploid complex.

Comparative cytogenetics

Majure LC, Judd WS, Soltis PS, Soltis DE.
PMID: 24260652
Comp Cytogenet. 2012 Feb 14;6(1):53-77. doi: 10.3897/CompCytogen.v6i1.2523. eCollection 2012.

Ploidy has been well studied and used extensively in the genus Opuntia to determine species boundaries, detect evidence of hybridization, and infer evolutionary patterns. We carried out chromosome counts for all members of the Humifusa clade to ascertain whether...

The polyploidy revolution then…and now: Stebbins revisited.

American journal of botany

Soltis DE, Visger CJ, Soltis PS.
PMID: 25049267
Am J Bot. 2014 Jul;101(7):1057-1078. doi: 10.3732/ajb.1400178. Epub 2014 Jul 20.

Polyploidy has long been considered a major force in plant evolution. G. Ledyard Stebbins, Jr., an architect of the Modern Synthesis, elegantly addressed a broad range of topics, from genes to chromosomes to deep phylogeny, but some of his...

POPULATION STRUCTURE AND ESTIMATES OF GENE FLOW IN THE HOMOSPOROUS FERN POLYSTICHUM MUNITUM.

Evolution; international journal of organic evolution

Soltis PS, Soltis DE.
PMID: 28563796
Evolution. 1987 May;41(3):620-629. doi: 10.1111/j.1558-5646.1987.tb05833.x.

Levels and distribution of genetic variation were investigated in the homosporous fern, Polystichum munitum. Homosporous ferns differ from higher vascular plants in that they possess potentially bisexual gametophytes which can produce a completely homozygous sporophyte in a single generation....

Whole genome resequencing of Botrytis cinerea isolates identifies high levels of standing diversity.

Frontiers in microbiology

Atwell S, Corwin JA, Soltis NE, Subedy A, Denby KJ, Kliebenstein DJ.
PMID: 26441923
Front Microbiol. 2015 Sep 24;6:996. doi: 10.3389/fmicb.2015.00996. eCollection 2015.

How standing genetic variation within a pathogen contributes to diversity in host/pathogen interactions is poorly understood, partly because most studied pathogens are host-specific, clonally reproducing organisms which complicates genetic analysis. In contrast, Botrytis cinerea is a sexually reproducing, true...

Showing 1 to 12 of 211 entries