Sascha Heller

ORCID: 0000-0003-1027-2926
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About
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Research Areas
  • Fern and Epiphyte Biology
  • Plant and animal studies
  • Plant tissue culture and regeneration
  • Plant Diversity and Evolution
  • Plant Pathogens and Fungal Diseases
  • Leaf Properties and Growth Measurement
  • Growth and nutrition in plants
  • Banana Cultivation and Research
  • Chromosomal and Genetic Variations
  • Phytoplasmas and Hemiptera pathogens
  • Pineapple and bromelain studies

Goethe University Frankfurt
2015-2022

Senckenberg Research Institute and Natural History Museum Frankfurt/M
2018

The authors provide a new circumscription for genera of the “Cryptanthoid complex” Bromeliaceae subfam. Bromelioideae, originally composed Cryptanthus, Lapanthus, Orthophytum, and Sincoraea, on basis or re-evaluated ecological, geographical morphological evidence, as well molecular phylogenies. A generic status is proposed Cryptanthus subg. Hoplocryptanthus two genera, Forzzaea, Rokautskyia, four subgenera in Orthophytum (Capixabanthus, Clavanthus, Krenakanthus, Orthocryptanthus) are...

10.11646/phytotaxa.318.1.1 article EN Phytotaxa 2017-08-25

Abstract Genetic concepts within the Bromelioideae are highly problematic, in particular tank-forming “core bromelioid” clade. Previous molecular studies showed that largest genus, Aechmea, and allied genera polyphyletic require revision. Here we focus on one group Aechmea alliance, Portea/Gravisia group. To assess whether species of this form a distinct lineage core bromelioid clade, to clarify generic limits interspecific relationships group, generated analyzed amplified fragment length...

10.1600/036364415x689177 article EN Systematic Botany 2015-10-01

The subfamily Bromelioideae is one of the most diverse groups among neotropical Bromeliaceae. Previously, key innovations have been identified which account for extraordinary radiation and species richness this subfamily, especially in so-called core Bromelioideae. However, order to extend our understanding evolutionary mechanisms, genomic mechanisms (e.g. polyploidy, dysploidy) that potentially underlie accelerated speciation also need be tested. Here, using PI DAPI staining flow cytometry...

10.3389/fpls.2020.01295 article EN cc-by Frontiers in Plant Science 2020-09-09

Generic status for the Amazonian Hylaeaicum is proposed within Aechmea alliance, excluding it from “Nidularioid complex” in general and Neoregelia particular. The monophyly of this new genus supported by molecular phylogenetic analyses. taxonomic circumscription based on combination geographical range morphological characters, such as clonal growth, inflorescence structure, petal corolla conformation, appendages, ovary, ovule, stigma, pollen, fruit, seed, well seed anatomy, thoroughly...

10.11646/phytotaxa.499.1.1 article EN Phytotaxa 2021-05-06

Abstract Background The angiosperm family Bromeliaceae comprises over 3.500 species characterized by exceptionally high morphological and ecological diversity, but a very low genetic variation. In many genera, plants are vegetatively similar which makes determination of non flowering bromeliads difficult. This is particularly problematic with living collections where often cultivated decades without flowering. DNA barcoding therefore promising approach to provide reliable convenient...

10.1186/s12870-020-2326-5 article EN cc-by BMC Plant Biology 2020-03-12

Abstract A phylogenomic analysis of the so far phylogenetically unresolved subfamily Bromelioideae (Bromeliaceae) was performed to infer species relationships as basis for future taxonomic treatment, stabilization generic concept, and further analyses evolution biogeography subfamily. target‐enrichment approach chosen, using Angiosperms353 v.4 kit RNA‐baits including 86 representing previously identified major evolutionary lineages. Phylogenetic were based on 125 target nuclear loci,...

10.1002/tax.12831 article EN Taxon 2022-11-28
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