Mini Review - Journal of Agriculture (2023) Volume 6, Issue 2

Rice under drought stress: an expression analysis of histone acetyltransferases

Omm Verma*

Department Cell and Plant Physiology, University of Grenoble Alpes, France

*Corresponding Author:
Omm Verma
Department Cell and Plant Physiology, University of Grenoble Alpes, France
Received: 01-Apr-2023, Manuscript No. jagri-23-100527; Editor assigned: 03-Apr-2023, Pre-QC No. jagri-23- 100527(PQ); Reviewed: 17-Apr-2023, QC No. jagri-23-100527; Revised: 24-Apr-2023, Manuscript No. jagri-23- 100527(R); Published: 28-Apr-2023; DOI: 10.37532/jagri.2023.6(2).55-57


This survey aims to identify and describe new plant biotechnology products since 2015, particularly in relation to the development of New Breeding Techniques (NBTs) like CRISPRCA’s gene editing. Transgenic (quality exchange or quality hushing) and quality altered characteristics which are supported or promoted inn less than one nation, or which have a non-controlled status in the USA, are gathered, as well as related licenses around the world. Also, to reveal insight into likely advancement for Africa, field preliminaries on the landmass are analysed. The compiled data are categorized according to their applications, which include improvements to agriculture, industrial use, and medical use, such as the production of recombinant therapeutic molecules or vaccines (including those against Covid-19). The information demonstrate that quality altering gives off an impression of being a compelling supplement to ‘traditional’ transgenes is,

The utilization of which isn’t declining, as opposed to a substitution, a pattern likewise saw in the licensing scène. Despite this, gene editing is clearly being used more and more. Gene editing has increased the proportion of some crop species in approved, unregulated, and marketed products while decreasing others when compared to transgenes is. Breeding traits exhibit a similar differential trend. Additionally, gene editing has encouraged the establishment of new private businesses. The patenting landscape is dominated by China, particularly its public sector, but not the approved and marketed one, which is dominated by the United States. The data indicate that regulatory environments will either encourage innovation or discourage it.


Histone acetyltransferase • Histone acetylation • Rice • Drought stress


To contract DNA into the restricted space in core, DNAis firmly collapsed into a complicated construction called chromatin in eukaryotes. Along with DNA methylation and nucleosome remodeling, chromatin remodeling is controlled to control DNA accessibility. Acetylation, a reversible modification controlled byhistoneacetyltra nsferases (HATs) and histone deacetylases (HDACs), is one of the most significant modifications that can be made to histones. Hyperacetylation of histones promptsDNA unwinding and transcriptional actuation, though frailacetylation prompts chromatin compaction and transcriptional constraint. There are two distinct explanations for this phenomenon [1]. The positive charge of conserved lysine residues is neutralized and their affinity for negatively charged DNA is diminished when acetyl groups are added to them [2]. On the other hand, the’ ‘histone code’’ speculation recommends that covalent changes, counting acetylation and methylation, could work consecutively what’s more, mutually to change the cooperation among chromatin and chromatin-related proteins andgivesignsoenlistmentoftranscriptional apparatus .Twelve Shots have been identified in Arabidopsis, and they can be divided into four families—the CBP, GNAT, MYST, and TAFII250 family—in previous research on plant HATs. HATs, like AtHAG1, a member of the Gcn5 subfamily of the GNAT family, are crucial to plant growth and development in Arabidopsis. HATs play a role in plant responses to a variety of stresses, including light stress temperature stress salt stress, and ABA stress, according to Arabidopsis studies. Rice is a monocot with common stress-inducible genes with Arabidopsis, an economically important plant [3]. Dry spell stress, an exceptionally normal pressure that is brought about by water shortfall, causes progression of physiological and sub-atomic reactions in plants .

In Asia, drought stress has been found to be the primary cause of decreased rice yield. Additionally, Rice is a monocot with common stress-inducible genes with Arabidopsis, making it an economically important species. Plants respond in a variety of ways, both physiologically and molecularly, when they experience drought stress, which is a common stress brought on by a lack of water .In Asia, drought stress has been found to be the primary cause of decreased rice yield [4].

Materials and Methods

Analyses of promoters

The plant promoter database 3.0 was used to download information about OsHAC703, OsHAG703, OsHAF701, andOsHAM701. This information relates to the transcription start sites (TSS) as well as thepromoterregions. Thence-components inside 1200 by upstream of the acquired TSS were looked and examined in the Spot data set [5].

Dry season treatment Plant development condition stand

Rice (Orzo saliva ssp. CV japonica Nippon bare) was utilized in the research. Subsequent to being guzzled with refined water in obscurity for24 h at 37 C, rice seeds were put on two channel papers doused with refined water in a Petri dish at room temperature [6]. Two days after germination in haziness, the growing seeds were moved to the light condition with 330 moles/ m2/s. After another2 days, when the length of the seedling roots were 2-3 cm, rice seedlings were planted into earth soil in a development chamber and plantlets were kept up with at 9/15 h light/dull photoperiod at 29/24 C.Seven days after germination, the rice seedlings were at theirtwo-leaf stage [7]. There were two groups of plants distributed. Thedry spell treatment bunch was exposed to dry season pressure by keeping water, while the benchmark group was watered two times each day [8]. To forestall fast water misfortune and to hold feasibility, the plants were covered with a straightforward plastic top after 29 h for the dry season treatment bunch, while seedlings in the benchmark groupware constantly covered with a plastic top [9].

Results and Discussion

This study showed that Caps are associated with dry season pressure reactions in rice as broke down by quality articulation and acetylation levels. The advancement of our understanding of the role that HATs play in rice’s responses to drought stress will help us better comprehends the molecular mechanisms that regulate rice’s responses to drought stress. Crops’ long-term drought stress tolerance is expected to improve as a result; it is hoped [10].


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