Results 101 to 110 of about 30,707 (232)

Generative Cell Division, but Not Early Nuclear Reorganization, Requires Transcriptional Reactivation During Pollen Tube Growth

open access: yesPlant Direct, Volume 10, Issue 6, June 2026.
ABSTRACT Bicellular pollen often enters a desiccated state wherein development is temporarily arrested, enabling long‐term survival while maintaining the capacity for rapid activation upon hydration. Although the generative cell in mature pollen of Lilium species is known to have completed DNA replication, its precise cell‐cycle status and the ...
Mio K. Shibuta   +2 more
wiley   +1 more source

The BAHD Acyltransferase Gene Family: Evolutionary Dynamics, Biochemical Mechanisms, and Roles in Plant Stress Adaptation

open access: yesPlant Biotechnology Journal, Volume 24, Issue 6, Page 4139-4158, June 2026.
BAHD acyltransferases drive metabolic diversification in plants by coupling conserved catalytic scaffolds with regulatory flexibility, enabling stress adaptation and ecological specialisation. ABSTRACT BAHD acyltransferases constitute one of the most versatile enzyme superfamilies in plants, catalysing the acylation of alcohols, amines, polyamines, and
Muhammad Mubashar Zafar   +7 more
wiley   +1 more source

Natural Variations in the Activity of Hydroxycinnamoyl Transferases Promote Accumulation of Metabolites Conferring Rice Resistance

open access: yesPlant Biotechnology Journal, Volume 24, Issue 6, Page 3803-3820, June 2026.
ABSTRACT Plant‐derived secondary metabolites act as regulators of in planta defence. Plant phenylpropanoid metabolic compounds, including final metabolites such as lignin and flavonoids, and a few intermediate metabolites play critical roles in defence.
Dan Chen   +9 more
wiley   +1 more source

Spermine N-D6

open access: yes, 2002
Inelastic Neutron Scattering spectrum of Spermine N-D6, H₂N(CH₂)₃NH(CH₂)₄NH(CH₂)₃NH₂, measured on the TOSCA ...
M. P. M. Marques, Universidade de Coimbra, Portugal
core   +1 more source

Rapid detection of spermine by using a cost-effective carbon nanostructured aptasensor

open access: yesNano TransMed
Spermine is a polyamine that participates in ion channel regulation and cell proliferation. It is considered a biomarker for pancreatic cancer. In this study, a carbon nanostructure-based aptasensor has been developed to rapidly detect spermine in ...
Howyn Tang   +3 more
doaj   +1 more source

Notes on Spermine [PDF]

open access: yesBiochemical Journal, 1925
H W, Dudley, O, Rosenheim
openaire   +2 more sources

Aspido Spermin [PDF]

open access: yesScientific American, 1879
n ...
openaire   +2 more sources

Targeted lipidomics between hPheo1 and SDHB KD cells reveal changes in bioactive lipids and PKC with polyamine pathway inhibition

open access: yesPhysiological Reports, Volume 14, Issue 11, June 2026.
Abstract Pheochromocytoma and paraganglioma with a succinate dehydrogenase B subunit (SDHB) pathogenic variant are associated with a significant chance for metastasis. Polyamine pathway inhibitor N1,N11‐diethylnorspermine (DENSPM) was previously shown to inhibit cell growth in progenitor cells derived from a human pheochromocytoma (hPheo1).
Abdel A. Alli   +4 more
wiley   +1 more source

Experimental Study on Serum Spermine in Cacer Metabolism Part Ⅲ. On the Relation Between Serum Spermine and Hypophysis-Adrenal Function [PDF]

open access: yes, 1959
Insulin Response Tests were performed on cancer patients, rabbits administered toxohormone, Brown-Pearce rabbits, and rabbits increased serum spermine experimentally. Results obtained are as follows.
Yamaguchi, Masuichi
core  

Spermine Regulates Bone Homeostasis Through The Gut-Bone Axis

open access: yesInternational Dental Journal
Aim or purpose: This study aims to explore the specific mechanism by which spermine, a metabolite highly expressed in the saliva of patients with MRONJ, regulates bone homeostasis through the gut-bone axis.
Ruixue Jiang, Yuwei Deng
doaj   +1 more source

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