Results 81 to 90 of about 137,817 (297)

Morphological and taxonomical studies in Blechnum (Blechnaceae-Pteridophyta): B. tabulare and B. magellanicum

open access: yesAnales del Jardín Botánico de Madrid, 2008
Specimens of B. tabulare and B. magellanicum from their whole geographical area were studied, and taxa were treated as different species. The following characters were analyzed: rhizomes, rhizomatic scales, stipes, division of dimorphic laminae, outline,
Cristina H. Rolleri   +2 more
doaj   +1 more source

The effect of the surface properties of poly(methyl methacrylate) on the attachment, adhesion and retention of fungal conidia

open access: yesAIMS Bioengineering, 2020
Poly(methyl methacrylate) (PMMA) surfaces, (commercial PMMA (PMMAc), spin coated PMMA (PMMAsc) and a 90% methylmethacrylate/10% 3-methacryloxypropyltrimethoxysilane random copolymer (P(MMA-co-gMPS)) were used to determine the effect of surface ...
Kathryn A. Whitehead   +6 more
doaj   +1 more source

Retromer Regulates Macro‐ and Micro‐Autophagy via Distinct Vacuolar Proteases in the Rice Blast Fungus

open access: yesAdvanced Science, EarlyView.
In wild‐type of M. oryzae (Guy11), MoPrb1 and MoPep4 are delivered into the vacuole by the retromer complex to mediate protein degradation and selective autophagy. Their proper localization and catalytic functions are essential for the fungal vegetative growth, conidiation and pathogenicity. However, retromer mutations disrupt this transport, impairing
Dingyang Zhang   +13 more
wiley   +1 more source

A Palynological Atlas of the Amazon canga Vegetation

open access: yesPlants
cangas are iron-rich outcrops where rupestrian fields develop in the Carajás Mountain Range (CMR). canga formations are ancient ecosystems characterized by high levels of endemic and threatened plant species that thrive on iron-rich substrates in the ...
Luiza de Araújo Romeiro   +10 more
doaj   +1 more source

THE MORPHOLOGY AND ANATOMY OF STRUCTURE SOMATIC AND REPRODUCTIV OF THE SPECIES OF PHOMOPSIS (SACC.) BUBÁK [PDF]

open access: yesJournal of Plant Development, 2007
The species of Phomopsis have the conidiomata eustromatic, pycnidial, and two types of spores; alpha and beta. Alpha-spores are hyaline, fusiform, straight, aseptate, usually biguttulate. Beta-spores are hyaline, filiform, straight or more often hamate,
CRISTESCU CRISTINA
doaj  

Model‐Guided Systematic Metabolic Engineering for Enhanced Spinosad Biosynthesis in Saccharopolyspora spinosa NHF132

open access: yesAdvanced Science, EarlyView.
A genome‐scale model guided the systematic metabolic engineering of Saccharopolyspora spinosa, enabling a 5.5‐fold boost in the green bioinsecticide spinosad to 1.8 g L−1 and establishing an actinomycete framework for complex natural products overproduction.
Shuliu Wang   +9 more
wiley   +1 more source

A Transmembrane Protein WAI‐B2 Confers Multiple Disease Resistance in Wheat by Activating Autoimmunity

open access: yesAdvanced Science, EarlyView.
Wheat production is under threat from multiple diseases. This study clones the wheat autoimmunity gene WAI‐B2 from an EMS‐induced mutant that encodes a distinct transmembrane protein conferring resistance to wheat rusts and powdery mildew ‐ two major diseases affecting wheat crops.
Wenling Li   +32 more
wiley   +1 more source

Dual Disruption of the Immune Cytokine Spätzle Facilitates Fungal Infection of Diverse Insect Hosts

open access: yesAdvanced Science, EarlyView.
The Toll pathway is essential for insect defense against fungal pathogens. This works reports that fungal parasites employ two divergent virulent effectors to target the Toll receptor ligand Spätzle: a metalloprotease degrading it and a hairpin‐like effector hijacking it to block signal transduction. This dual strategy enables the fungus to kill a wide
Shuangxiu Song   +7 more
wiley   +1 more source

Lowermost Carboniferous (Tournaisian) Miospore Assemblages from the July Field, Gulf of Suez, Egypt: Biostratigraphic and Palaeoenvironmental Implications

open access: yesLife
The Nubia Sandstone in the Gulf of Suez, Egypt, is a well-known unclassified sediment. Palynology is considered the most effective tool for dealing with this problem.
Ahmed Maher, Jiří Bek
doaj   +1 more source

Toward Sustainable, High‐Performance, and Scalable On‐Chip Biopower: Microbial Biobatteries with 3D‐Printed Stainless Steel Anodes and Spore‐Based Biocatalysts

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This study presents the first integration of 3D‐printed stainless‐steel gyroid scaffolds with spore‐based biocatalysts in microscale bioenergy devices, addressing key challenges in microbial‐electronic interfacing. Motivated by the need for sustainable power in IoT systems, the work advances biobatteries toward real‐world use, offering shelf‐stability,
Anwar Elhadad   +5 more
wiley   +1 more source

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