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Plant function and evolutionary biology
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Functional Plant Biology

Functional Plant Biology

Functional Plant Biology publishes new and significant information on the functional biology of plants at all scales from the molecular through whole plant to community. Read more about the journalMore

Editor-in-Chief: Sergey Shabala

Publishing Model: Hybrid. Open Access options available.

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Latest

These articles are the latest published in the journal. Functional Plant Biology is published under a continuous publication model. More information is available on our Continuous Publication page.

Published online 17 December 2024

FP24254A small-scale spatial heterogeneity in photochemical reflectance index and intensity of reflected light at 530 nm in pea (Pisum sativum) leaves is sensitive to action of salinization

Anastasiia Kior, Lyubov Yudina 0000-0002-6702-2445, Yuriy Zolin, Alyona Popova, Ekaterina Sukhova and Vladimir Sukhov 0000-0002-8712-9127
 

Remote sensing of action of stressors on plants is an important step of their protection. We showed that action of salinization stimulated spatial heterogeneity in the photochemical reflectance index, which was calculated on basis of the leaf reflectance at 530 and 575 nm, and in reflectance at 530 nm in pea (Pisum sativum) leaves. It means that measurements of the spatial heterogeneity of these parameters can be used as indicator of the action of salinization in the plant remote sensing.

FP24254 Abstract  | PDF (1.4 MB) - $35.00   | FP24254Supplementary Material (835 KB)
Published online 09 December 2024

FP24246Escape of etiolated hypocotyls of cotton (Gossypium hirsutum) from the unilateral high intensity blue light after being pulled out from the soil

Qing-Ping Zhao, Qian-Yi Lv, Xiang-Lin Fu, Qi-Qi Wu, Yan-Fei Liu, Lin-Lin Xue and Xiang Zhao 0000-0002-4012-9154
 

Our study unravels that unilateral high intensity blue light (HBL) triggered backlit lodging of etiolated cotton (Gossypium hirsutum) hypocotyls. Unilateral HBL stimulates the change of turgor pressure of hypocotyl lit-side guard cells in cotton seedlings to absorb water from backlit side cells, which resulted in the backlit side cells shrinking and backlit lodging. Abscisic acid signaling can inhibit both HBL-induced stomatal opening and backlit lodging, indicated that the backlit lodging phenomenon attributed to HBL-induced stomatal opening.

FP24246 Abstract  | PDF (1.4 MB) - $35.00   | FP24246Supplementary Material (1.1 MB)
Published online 29 November 2024

FP24170Brassinosteroid improves light stress tolerance in tomato (Lycopersicon esculentum) by regulating redox status, photosynthesis and photosystem II

Waseem Yousuf, Showkat Ahmad Bhat, Sabeeha Bashir, Rayees Ahmad Rather, Kishore Chandra Panigrahi and Riffat John 0000-0001-6258-9381
 

Plants often experience variations in light intensity, referred to as light stress, which affects their plant growth and development and, thus, diminishes their productivity and yield. We conclude that application of plant hormone, brassinosteroid, regulates a complex mechanism to improve light stress tolerance in one month old tomato plants.

FP24170 Abstract  | PDF (1.3 MB) - $35.00 
Published online 29 November 2024

FP24208Artemin molecular chaperone from Artemia urmiana improves tolerance of Arabidopsis thaliana to abiotic stress

Tayebe Fallahi-Pashaki, Reza Shirzadian-Khoramabad and M. Mehdi Sohani 0000-0003-4545-7306
 

Extreme temperatures, as a result of global warming, cause significant reduction in agricultural yields. We introduced a chaperone from Artemia urmiana that helps other proteins to function properly in extreme environments into Arabidopsis thaliana. Our results indicated that the transgneic Arabidopsis plants were more tolerant to heat stress than the wild-type.

FP24208 Abstract  | PDF (1.2 MB) - $35.00   | FP24208Supplementary Material (929 KB)
Published online 29 November 2024

FP24200Hypergravity – an evolutionarily novel environment, enhances the resilience of wheat to simulated drought and salinity stress

Mahamed Ashiq I, Ravikumar Hosamani 0000-0003-2636-3750, Uday G. Reddy, Ramesh S. Bhat, Akbar S. MD and Basavalingayya K Swamy 0000-0001-7955-4994
 

Previous research from our lab showed that hypergravity, simulated with centrifuges, enhances wheat seedling vigor and root phenotype. Present study revealed that hypergravity (10g for 12 h) significantly boosts wheat’s resilience to induced drought and salt stress. The benefits, seen in increased growth and abiotic stress tolerance, were consistent across different wheat varieties. The study further links these improvements to changes in plant hormones and stress-related genes, providing new evidence that hypergravity can effectively enhance stress resilience in wheat.

FP24200 Abstract  | PDF (7 MB) - $35.00   | FP24200Supplementary Material (822 KB)
Published online 21 November 2024

FP23281High-throughput phenotyping of soybean (Glycine max) transpiration response curves to rising atmospheric drying in a mapping population

Daniel Monnens, José R. López, Erik McCoy, Bishal G. Tamang, Aaron J. Lorenz and Walid Sadok 0000-0001-9637-2412
 

Rising atmospheric drying is causing losses in crop productivity worldwide, by triggering excessive plant water losses. Water-saving varieties are effective in limiting yield losses under atmospheric drying, but the genetic regions controlling this behavior are unknown. We screened hundreds of soybean (Glycine max) plants for their water losses in response to atmospheric drying and identified genetic regions controlling their responses. These findings open the way to breed for climate-smart, water-saving legumes that are better-yielding under current and future drought conditions.

FP23281 Abstract  | PDF (1.8 MB) - $35.00   | FP23281Supplementary Material (945 KB)
Published online 11 November 2024

FP24180Overexpression of HvVDE gene improved light protection in transgenic tobacco (Nicotiana tabacum)

Xiaojie Qu 0009-0004-5100-2054, Deyu Che, Fangting Qin, Guang Huang and Hongzhang Liu
 

Hosta ventricosa is commonly found in gardens and is favored by many. Yet, extended exposure to intense light can lead to the leaves wilting and turning yellow, diminishing their decorative appeal. We isolated and characterized a particular gene (violaxanthin de-epoxidase) in H. ventricosa plants and found that the genetically modified tobacco plantlets displayed enhanced tolerance to strong light. This outcome offers valuable insights for the potential creation of new Hosta plant varieties that can better withstand intense light conditions.

FP24180 Abstract  |  FP24180 Full Text  | FP24180PDF (2.5 MB)  | FP24180Supplementary Material (798 KB)   Open Access Article

Published online 11 November 2024

FP24202Exogenous nitric oxide extends longevity in cut Lilium tigrinum flowers by orchestrating biochemical and molecular aspects

Moonisah Aftab, Haris Yousuf Lone, Aijaz A. Wani, Mohamad Arif Zargar and Inayatullah Tahir 0009-0002-8236-6147
 

Nitric oxide (NO) has been shown to be a key regulator of flower senescence, affecting various physiological and biochemical processes. Research has indicated that NO can prolong the vase life and postpone senescence in cut flowers by adjusting senescence-related genes and interacting with other molecules and pathways. This study aims to evaluate the effectiveness of nitric oxide in influencing various biochemical, physiological, and molecular factors; with the ultimate goal of delaying tepal senescence in isolated flowers of Lilium tigrinum.

FP24202 Abstract  | PDF (1.3 MB) - $35.00 
Published online 07 November 2024

FP24144Overexpression of AtNHX1 increases leaf potassium content by improving enrichment capacity in tobacco (Nicotiana tabacum) roots

Yong Liu, Qian Hou, Kunle Dong, Yi Chen, Zhihong Wang, Shengdong Xie, Shengjiang Wu, Xiaoquan Zhang, Shizhou Yu and Zhixiao Yang 0000-0003-0353-094X
 

NHX1 is closely related to K uptake and accumulation in plants. AtNHX1-overexpressing tobacco (Nicotiana tabacum) exhibited significantly higher leaf K content than the wild-type tobacco variety K326. The AtNHX1-overexpressing tobacco has significantly improved root morphology and physiology compared to the wild-type variety K326. AtNHX1-overexpressing tobacco showed higher Vmax levels in roots than the wild-type variety K326. Overexpression of AtNHX1 is able to increase leaf potassium content by boosting the ability of enriching potassium in tobacco roots.

FP24144 Abstract  | PDF (1.6 MB) - $35.00 
Published online 29 October 2024

FP24150Linking structure to function: the connection between mesophyll structure and intrinsic water use efficiency

Jeroen D. M. Schreel 0000-0002-6152-1307, Guillaume Théroux-Rancourt and Adam B. Roddy
 

Leaf mesophyll cells are often approximated by capsules and spheres to discuss structure-function relationships. These assumptions allow an easy assessments based on widely available 2D datasets of foliar tissue. However, this is a rough approximation of often irregularly shaped spongy mesophyll cells. We suggest to use more rare 3D assessments to provide corrections and functions to be used in 2D assessments, rather than scaling 2D analysis to 3D structures based on the assumption of ideal shapes.

FP24150 Abstract  | PDF (836 KB) - $35.00   | FP24150Supplementary Material (907 KB)
Published online 29 October 2024

FP24185Cyclic electron flow and Photosystem II-less photosynthesis

Maria Ermakova 0000-0001-8466-4186, Duncan Fitzpatrick and Anthony W. D. Larkum
 

Oxygenic photosynthesis typically relies on two photo-driven complexes, Photosystem II (PSII) and Photosystem I (PSI). However, PSI can operate independently to boost energy production and amplify nitrogen fixation and CO2 capture in specialised cells. In this review, we propose that ‘PSII-less photosynthesis’ allows photosynthetic organisms to better balance energy needs and adapt to changing environments. We explore the potential of harnessing this process to improve crop productivity and stress resilience.

FP24185 Abstract  |  FP24185 Full Text  | FP24185PDF (2.9 MB)   Open Access Article

Published online 25 October 2024

FP24207Identification and characterisation of ‘No apical meristem; Arabidopsis transcription activation factor; Cup-shape cotyledon’ (NAC) family transcription factors involved in sugar accumulation and abscisic acid signalling in grape (Vitis vinifera)

Shuang Xia, Xinyuan Qi, Jinli Yang, Qiaoyun Deng and Xiuqin Wang 0000-0003-4764-835X
 

The cultivation of high-quality wine grapes (Vitis vinifera) often relies on specific growth stresses, and ‘No apical meristem; Arabidopsis transcription activation factor; Cup-shape cotyledon’ (NAC), as plant-specific transcription factors, playing a key role in adapting to stresses. This study identified these factors influencing the grape’s sugar and abscisic acid (ABA) pathways. Specifically, we discovered that the VvNAC26 significantly impacts these pathways, coordinating with VvSnRK1.2, offering new insights into grapevine development and its adaptation to environmental challenges.

FP24207 Abstract  | PDF (2.3 MB) - $35.00   | FP24207Supplementary Material (4.5 MB)
Published online 17 October 2024

FP24132How the vertical gradient of light in the understorey and water seasonality affect leaf traits of Vanilla phaeantha (Orchidaceae), a crassulacean acid metabolism (CAM) hemiephyte

Aldineia Buss, Wesley Costa Silva, Vladimir Eliodoro Costa 0000-0003-3889-7514 and Ana Silvia Franco Pinheiro Moreira 0000-0001-5090-5527
 

Surviving in conditions of water fluctuation and light heterogeneity by plants requires to be plastic. We showed that the hemiepiphyte Vanilla phaeantha adjusts leaf traits and their metabolism for atmospheric CO2 capture in function of the vertical gradient of the understorey (that has different light availability and air humidity), and according to water seasonality. The morphological traits mainly varied according to the understorey position, while physiological ones were more sensitive to seasonal variations.

FP24132 Abstract  | PDF (3.3 MB) - $35.00   | FP24132Supplementary Material (920 KB)
Published online 16 October 2024

FP23327Mitigation strategy of saline stress in Fragaria vesca using natural and synthetic brassinosteroids as biostimulants

Ramiro N. Furio 0000-0003-0308-2147, Ana C. Fernández, Patricia L. Albornoz, Melisa Evangelina Yonny, María Luisa Toscano Adamo, Ana I. Ruiz, Mónica Azucena Nazareno, Yamilet Coll, Juan C. Díaz-Ricci and Sergio M. Salazar
 

Climate change subjects crops to increasingly unfavourable environmental situations, such as soil salinity, which is very harmful to crops. The results of our work provide valuable information that could be useful for solve this problem. It was possible to verify the beneficial effect of brassinosteroids in strawberry (Fragaria vesca) plants exposed to saline stress, so we propose the use of these compounds as an environmentally safe crop management strategy to overcome situations of salinity that seriously reduce crop health and yields.

FP23327 Abstract  | PDF (1.6 MB) - $35.00 
Published online 15 October 2024

FP23143Functional and transcriptional regulation of the anthocyanidin acyl modifier gene Gs5AT of Gentiana sino-ornata

Han Meng, Siqi Chen, Yanmei Wu and Xuehua Jin 0000-0003-1519-8470
 

The Chinese gentian, Gentiana sino-ornata, is a commercially important flower that produces brilliant blue blossoms. We identified the responsible gene, Gs5AT, and discovered that another gene, GsbHLH7, can regulate the expression of the first gene. This study provides a further basis for molecular breeding of blue flowers.

FP23143 Abstract  | PDF (3.8 MB) - $35.00   | FP23143Supplementary Material (1.2 MB)

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Collections

Collections are a curation of articles relevant to a topical research area

Machine Learning for Plant Stress Phenotyping

This Collection of Functional Plant Biology explores cutting-edge phenotyping applications of machine learning approaches for stress detection and plant phenotyping at the different scales of their structural organisation.

Collection Editors
Jungpil Shin (University of Aizu, Japan)
Md. Al Mehedi Hasan (Rajshahi University of Engineering and Technology, Bangladesh)
Yong Seok Hwang (Kwangwoon University, Korea)

Last Updated: 20 Sep 2024

Functional Genomics for Developing Climate Resilient Crops

This Collection of Functional Plant Biology includes articles summarising the technological and conceptual advancement in genetics and functional genomics with the potential for achieving the United Nations' second sustainable development goal of zero hunger under challenging climatic conditions. These articles illustrate the development of cutting-edge technologies helping researchers to develop germplasm with better resistance/tolerance for emerging food security threats.

Collection Editors
Sajid Fiaz (Department of Plant Breeding and Genetics, The University of Haripur, Pakistan)
Muhammad Azhar Nadeem (Sivas University of Science and Technology, Turkey)
Inzamam Ul Haq (Gansu Agricultural University, China)

Last Updated: 02 Sep 2024

Flooding Stress and Responses to Hypoxia in Plants

This Collection of Functional Plant Biology focuses on ‘Flooding stress and responses to hypoxia in plants’ and includes papers demonstrating various plant responses to low-O2 conditions, flooding stress and a combination of stresses commonly found in flooded areas. This compilation significantly advances our understanding of flooding stress and responses to low-O2 levels in plants.

Collection Editors
Romy Schmidt-Schippers (University of Bielefeld, Germany)
Ole Pedersen (University of Copenhagen, Denmark)
Angelika Mustroph (University of Bayreuth, Germany)
Daan Weits (Utrecht University, Netherlands)
Juan Jiménez (University of Copenhagen, Denmark)

Last Updated: 15 Mar 2024

Understanding Mechanistic Basis of Plant Adaptation to Salinity and Drought

Drought and salinity are two major constraints in agriculture, restricting plant growth and yield in many parts of the world, especially in arid and semi-arid regions, and in the majority of plants, growth ceases under extreme exposure to drought and salt stress. This collection of Functional Plant Biology papers focuses on the advances and progress in studying the underlying mechanisms of salinity and drought tolerance in plants, particularly those that are considered agriculturally important.

Collection Editors
Muhammad Waseem (Hainan University, Sanya, China)
Mehtab Muhammad Aslam (The Chinese University of Hong Kong, Shatin, China)
Sunil Kumar Sahu (Beijing Genomics Institute, Shenzhen, China)

Last Updated: 15 Feb 2024

Editor’s Choice – ‘Abiotic stress signalling and adaptation’

Agricultural crop production has to be increased by 70% by 2050 to ensure food security and meet the challenge of feeding a population of 9.3 billion. The only way to meet this challenge is by identifying key genes and mechanisms mediating plant sensing, signalling and adaptation to adverse environmental conditions, and then using modern genetic tools to modify them, to enable better plant performance. The papers selected for this Functional Plant Biology Collection contribute to this task and, therefore, may be of substantial interest to readers.

Collection Editor
Professor Sergey Shabala, Editor-in-Chief

Last Updated: 02 Oct 2017

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