Adaptation Strategies and Defence Mechanisms of Plants During Environmental Stress

Devi, E. Lamalakshmi; Kumar, Sudhir; Singh, Taranjeet; Sharma, Susheel Kumar; Beemrote, Aruna; Devi, Chingakham Premabati; Chongtham, S. K.; Singh, Chongtham Henary; Yumlembam, Rupert Anand; Haribhushan, A.; Prakash, Narendra; Wani, Shabir Hussain

doi:10.1007/978-3-319-68717-9_20

Cited by 69 publications

(38 citation statements)

References 280 publications

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“…The plants growing in saline habitats have manifested various strategies that help them to cope with these extreme habitats. Such strategies are often exhibited in the morphological, anatomical, and phytochemical alterations of plants [ 12 , 32 ]. Morphologically, A. monosperma and L. crithmoides plants are featured by their shrubby hard, and woody stems, which aid to resist wind in coastal habitats.…”

Section: Discussionmentioning

confidence: 99%

Structural and Chemical Adaptations of Artemisia monosperma Delile and Limbarda crithmoides (L.) Dumort. in Response to Arid Coastal Environments along the Mediterranean Coast of Egypt

El-Sherbeny

Dakhil

Eid

et al. 2021

Plants

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Arid coastal habitats are stressful regions subjected to the effects of biotic and abiotic factors. Vascular plants in these habitats display different responses to cope with these environmental fluctuations. This work addressed the morpho-anatomical features and chemical responses of two medicinal vascular plant species Artemisia monosperma Delile and Limbarda crithmoides (L.) Dumort., growing naturally along the Mediterranean coast of Egypt. Soil properties (physical and chemical), morpho-anatomical features and chemical constituents (secondary metabolites, antioxidant activity and essential oils) for the two species were performed. Our results displayed that both species are surviving where soils are alkaline, high saline with low moisture and organic carbon. The morphology of both species appeared woody low shrub with fleshy leaves. The most marked anatomical attributes were the thick cuticle of the epidermal layer in leaves and stems, compact palisade cells and abundant idioblasts (secretory ducts, phenolic compounds and calcium oxalate). Also, sclerenchymatous pericycle fibers in stem and glandular trichomes on the leaf had appeared in A. monosperma. Both plants exhibited a considerable content of phenolics, flavonoids, tannins, alkaloids and antioxidant activity with a higher level in A. monosperma than L. crithmoides. The leaf extracts of both plants showed higher values than the stem extracts. The sesquiterpenes group were the major identified compounds of the essential oils (EOs) in A. monosperma and L. crithmoides, and the majority were oxygenated sesquiterpenes with percentages of 42.63% and 51.49%, respectively. The second major group of EOs was monoterpenes, which were represented in A. monosperma in concentrations (34.04%) much higher than those recorded in L. crithmoides (4.97%). Exploring the local adaptation mechanism used by the target plants helps us to understand how these plants can acclimatize to harsh conditions, and this provides critical insights into the protection and survival strategy of species under extreme conditions.

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Section: Discussionmentioning

confidence: 99%

Structural and Chemical Adaptations of Artemisia monosperma Delile and Limbarda crithmoides (L.) Dumort. in Response to Arid Coastal Environments along the Mediterranean Coast of Egypt

El-Sherbeny

Dakhil

Eid

et al. 2021

Plants

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“…Plants have evolved various protective mechanisms to minimize the adverse effect of environmental stress, and the accumulation of specific primary metabolites is regarded as an adaptive response to stress ( Sousa and Sodek, 2002 ; Fraire-Velazquez and Emmanuel, 2013 ; Lamalakshmi Devi et al , 2017 ; Isah, 2019 ). We found that in developing leaves most metabolites that provide protection against various environmental stresses decrease in abundance ( Fig.…”

Section: Discussionmentioning

confidence: 99%

Developmentally controlled changes during Arabidopsis leaf development indicate causes for loss of stress tolerance with age

Kanojia

Gupta

Benina

et al. 2020

Journal of Experimental Botany

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Leaf senescence is the final stage of leaf development and is induced by the gradual occurrence of Age-Related Changes (ARCs). The process of leaf senescence has been well described but the cellular events leading to this process are still poorly understood. By analysis of progressively ageing, but not yet senescing Arabidopsis thaliana rosette leaves, we aimed to better understand processes occurring prior to the onset of senescence. Using gene expression analysis, we found that as leaves mature, genes responding to oxidative stress and genes involved in stress-hormone biosynthesis and signalling were upregulated. A decrease in primary metabolites that provide protection against oxidative stress provided a possible explanation for the increased stress signature. The gene expression and metabolomics changes occurred concomitantly to a decrease in drought, salinity and dark stress tolerance of individual leaves. Importantly, stress-related genes showed elevated expression in the early ageing mutant old5 and decreased expression in the delayed-ageing mutant ore9. We propose that the decreased stress tolerance with age results from the occurrence of senescence-inducing ARCs that is integrated into the leaf developmental program, and that this ensures a timely and certain death.

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“…Sementara itu menurut (Adame-González et al, 2019), sebagai tanda khas dari tanaman xerofitik, daun Selaginella sp., yang tumbuh di lahan kering memiliki jaringan sklerenkim untuk penyokong organ dan menyebabkan daun meregang atau mengkerut tergantung kondisi air dalam daun. Penebalan epidermis dan kutikula menjadi adaptasi anatomis yang umum dilakukan tumbuhan di bawah stress kekeringan seperti pada Astrogalus gambiformis (Fayçal Boughalleb et al, 2014) serta penebalan sel-sel dalam daun untuk kelancaran aliran air (Gratani et al, 2013) juga penguat organ guna mencegah tumbuhan layu saat ketersediaan air tanah jarang (Lamalakshmi Devi et al, 2017). Adaptasi anatomis lainnya saat tanaman tercekam kekeringan yakni penurunan ukuran stomata dan densitas stomata pada Acacia mangium (D. Kartikaningtyas, O. Quirena, Suharyanto, 2013) juga Astrogalus gambiformis (Fayçal Boughalleb et al, 2017) serta lebar bukaan stomata dan area bukaan stomata yang disertai peningkatan massa daun dan densitas daun pada Q. ilex demi efisiensi kontrol pertukaran gas (Gratani et al, 2013).…”

Section: Daununclassified

Adaptasi Anatomis Tumbuhan Terhadap Perbedaan Stress Lingkungan

Akmalia¹

2021

STIGMA

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Adaptasi dilakukan oleh tumbuhan demi kelangsungan hidupnya di lingkungan yang sangat dinamis. Salah satu jenis adaptasi yang dikembangkan adalah adaptasi anatomis pada akar, batang, maupun daun. Tujuan review artikel ini yakni memberikan langkah yang dapat dilakukan manusia dalam membantu tumbuhan untuk menjaga adaptasi anatomisnya sehingga dapat mendorong pertumbuhan dan perkembangan tumbuhan di bawah stress lingkungan. Review ini didasarkan pada telaah pustaka pada artikel-artikel ilmiah yang membahas tentang adaptasi anatomis tumbuhan terhadap perbedaan stress lingkungan. Berdasarkan kajian yang dilakukan, perlu adanya upaya penelitian lebih lanjut guna menjaga tumbuhan tetap lestari di bawah stress lingkungan yang semakin menantang. Kata kunci: adaptasi; anatomi; stress lingkungan

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Adaptation Strategies and Defence Mechanisms of Plants During Environmental Stress

Cited by 69 publications

References 280 publications

Structural and Chemical Adaptations of Artemisia monosperma Delile and Limbarda crithmoides (L.) Dumort. in Response to Arid Coastal Environments along the Mediterranean Coast of Egypt

Structural and Chemical Adaptations of Artemisia monosperma Delile and Limbarda crithmoides (L.) Dumort. in Response to Arid Coastal Environments along the Mediterranean Coast of Egypt

Developmentally controlled changes during Arabidopsis leaf development indicate causes for loss of stress tolerance with age

Adaptasi Anatomis Tumbuhan Terhadap Perbedaan Stress Lingkungan

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