Anja Holzhausen
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View article: The <i>Spirogyra</i> genome: signatures of shared and divergent division and differentiation
The <i>Spirogyra</i> genome: signatures of shared and divergent division and differentiation Open
Zygnematophytes emerged as the unexpected closest algal relatives of land plants despite their simple body plans, raising questions about the morphogenetic toolkit present in the last common ancestor of land plants and algae. Genomic analy…
View article: Conserved carotenoid pigmentation in reproductive organs of Charophyceae
Conserved carotenoid pigmentation in reproductive organs of Charophyceae Open
Sexual reproduction in Charophyceae abounds in complex traits. Their gametangia develop as intricate structures, with oogonia spirally surrounded by envelope cells and richly pigmented antheridia. The red—probably protectant—pigmentation o…
View article: What we really know about the dormancy, reproduction, germination and cultivation of charophytes (Characeae)
What we really know about the dormancy, reproduction, germination and cultivation of charophytes (Characeae) Open
This expanded review aims to provide information on previous basic research by charophyte experts in the areas of reproduction, dormancy, germination of oospores and cultivation. Therefore, published information, the author’s PhD thesis an…
View article: <i>Chara canescens</i>part I: Oospore differentiation of parthenogenic and dioecious strains and salt-dependent oospore sizes
<i>Chara canescens</i>part I: Oospore differentiation of parthenogenic and dioecious strains and salt-dependent oospore sizes Open
Chara canescens Loisel. is one of two European species of the section Desvauxia R.D. Wood of the genus Chara L. Whereas most populations of C. canescens reproduce parthenogenetically, a few sites with sexual reproducing populations are kno…
View article: What we really know about the dormancy, reproduction, and germination of charophytes and the new method of ECO-IN-VITRO-CULTIVATION
What we really know about the dormancy, reproduction, and germination of charophytes and the new method of ECO-IN-VITRO-CULTIVATION Open
This paper aims to provide information on previous basic research by charophyte experts mainly in the field of reproduction, dormancy, and germination of oospores. Therefore, published information, the author’s PhD thesis and further new r…
View article: Insight into the nodal cells transcriptome of the streptophyte green alga <i>Chara braunii</i> S276
Insight into the nodal cells transcriptome of the streptophyte green alga <i>Chara braunii</i> S276 Open
Charophyceae are the most complex streptophyte algae, possessing tissue‐like structures, rhizoids and a cellulose‐pectin‐based cell wall akin to embryophytes. Together with the Zygnematophyceae and the Coleochaetophycae, the Charophyceae f…
View article: Plastid DNA sequences and oospore characters of some European taxa of Tolypella section Tolypella (Characeae) identify five clusters, including one new cryptic Tolypella taxon from Sardinia, but they do not coincide with current morphological descriptions
Plastid DNA sequences and oospore characters of some European taxa of Tolypella section Tolypella (Characeae) identify five clusters, including one new cryptic Tolypella taxon from Sardinia, but they do not coincide with current morphological descriptions Open
In Europe, the genus Tolypella (Characeae) comprises four to eight Tolypella taxa in sections Rothia and Tolypella that have been distinguished by vegetative morphology and gametangial characters such as antheridial size and oospore wall o…
View article: Insight into the central and nodal cells transcriptome of the streptophyte green alga<i>Chara braunii</i>S276
Insight into the central and nodal cells transcriptome of the streptophyte green alga<i>Chara braunii</i>S276 Open
Chara braunii is an emerging model system for streptophyte terrestrialization and early land plant evolution. In this study, tissue containing nodal cells was prepared under the stereomicroscope and an RNA-seq dataset generated and compare…
View article: Plastid DNA sequences and oospore characters of some European species of<i>Tolypella</i>section<i>Tolypella</i>(Obtusifolia, Characeae) indicate a new cryptic<i>Tolypella</i>species from the Mediterranean island Sardinia
Plastid DNA sequences and oospore characters of some European species of<i>Tolypella</i>section<i>Tolypella</i>(Obtusifolia, Characeae) indicate a new cryptic<i>Tolypella</i>species from the Mediterranean island Sardinia Open
In Europe, the genus Tolypella (Characeae) comprises four to eight Tolypella species in sections Rothia and Tolypella that have been distinguished by vegetative morphology and gametangial characters such as antheridial size and oospore cel…
View article: Establishment and optimization of a new model organism to study early land plant evolution: Germination, cultivation and oospore variation of Chara braunii Gmelin, 1826
Establishment and optimization of a new model organism to study early land plant evolution: Germination, cultivation and oospore variation of Chara braunii Gmelin, 1826 Open
For studying land plant evolution, the establishment and optimization of model organisms representing streptophytic algae, sister to land plants, is essential. Long-term cultivation experiments with Chara braunii S276 were performed over 8…